About the Journal

About the Journal

The Tanzania Journal of Science and Technology (Tanzania J. Sci & Technol.) is a peer reviewed international journal, that is biannually published in June and December by the Faculty of Science, Technology and Environmental Studies, the Open University of Tanzania. Tanzania Journal of Science and Technology publishes peer reviewed, high quality and original scholarly research, short communications, research notes and review articles in all areas of, but not limited to, environmental sciences, mathematics, physics, chemistry, biology, computer sciences, agricultural sciences, engineering, biological sciences, natural products, energy resources, food sciences, ethnobotany, nutrition, modelling, environmental chemistry, information and communication technologies, wildlife and nature conservation, climate change, biosciences, biotechnology, bioinformatics, biogeochemistry and bioengineering.

Manuscript Requirements

Manuscripts must be clearly written in English language and the spelling should follow that of the United Kingdom (UK) English Dictionary. Manuscripts must be typewritten using Microsoft Word Times New Romans, font size 12 and single spaced with margins: 25 mm on top, 25 mm on bottom, 25 mm on left and 25 mm on right. Manuscripts should be arranged in the order of: title page, abstract, key words, introduction, materials and methods, results, discussion, acknowledgements, references. Tables, figures and figure legends should be inserted close to where it is first referred to in the text. Results and discussion sections may be combined if appropriate.

Title Page: This page must be concise, specific, informative and clear and should be written in bold using font 14. Avoid abbreviations and formulae where possible. The full names of the author(s) of the manuscript including their corresponding affiliation(s) should be indicated immediately below the title. Indicate all affiliations with a lower- case superscript letter immediately after the author's name and in front of the appropriate address. Provide the full postal address of each affiliation, including the country name and, if available, the e-mail address of each author. A complete address (e-mail) of the person to whom all correspondences regarding the manuscript should be addressed must also be indicated.

Abstract: Abstract must follow immediately after the title page. The abstract shall be in italics and shall contain up to 250 words indicating mainly the objectives and main findings of the manuscript.

Keywords: Keywords should be very selective and appropriate with 5 to 7 key words. While choosing keywords, imagine you are looking for your article in certain database. Keywords are important for indexing: they enable your manuscript to be more easily identified and cited. Avoid uncommon abbreviations and general terms.

Main Text: In the main text: Introduction section should describe the objective of the reported work and provide relevant background information. Materials and methods section should indicate clearly the materials, methods and procedures employed including the population and area of study if applicable. Results section should explain all the important findings from the study in form of text to emphasize important points and in form of tables and figures where applicable. Discussion should describe the implications of the findings and any conclusions based on the findings. Results and discussion can be combined.

Nomenclature and Units: Follow internationally accepted rules and conventions: use the international system of units (SI). If other units are mentioned, please give their equivalent in SI.

Abbreviations in the body of the paper should be used after having been initially explained. If statistical analysis is applicable, it is important that the procedure is carried out following appropriate methods. Tables should be as close as possible to the text explaining the concepts. Tables should be numbered in the order in which they are mentioned in the text. A table caption must be presented in upper case at the top. All non-standard abbreviations used in each table should be explained as table notes just below the table body. Figures must be clearly drawn, placed as close as possible to the related text and numbered according to the order in which they appear in the text. A figure caption should be typed in bold and in sentence case immediately below the Figure.

Pagination: The page numbers should appear at the centre of the bottom edge of the page.

References: All references should be carefully checked and cited according to APA System. Please ensure that every reference cited in the text is also present in the reference list (and vice versa). References to books, articles and monographs must be identified at appropriate point in text by author’s last name and publication year. References should be cited in the text using (Name, Year) style for one author’s name and two author’s names in text. Examples: (Gimbi, 2016), (Mihale and Gimbi, 2016). References with more than three authors should be cited as (Mihale et al., 2016) in the text. With more than one reference to an author in one year, distinguish them by use of letter (a, b) attached to publication year (e.g., Ikwaba, 2016a, 2016b). A series of references within one pair of parenthesis will be enclosed, separated by semicolons e.g., (Magoha, 2014; Mihale, 2015; Mutalemwa et al., 2016; Thomas, 2016).

On the page of references, list all the cited references alphabetically by author and, within author, by publication year. In the case of books, these should be complete in respect of place and date of publication, and name of publisher. In the case of journal articles, volume and issue number (where given) and year of publication, and relevant page numbers.

Examples of common references are: Print, M. (2000), New York: Basic Books. p. 99; Holleran, E.A., Karki, S., Holzbaur, E.L.F. (1998), The Role of the Dynactin Complex in Intracellular Motility. In Jeon, K.W. (Ed.) International Review of Cytology. Vol. 182. Academic Press, San Diego, pp. 69-109; Gao, S., McGarry M., Latham, K.E., Wilmut, I. (2003), Cloning of Mice by Nuclear Transfer. Cloning stem Cells, 5: 287-294; Tanzania Bureau of Statistics (2002), Country Census data Book. Dar es Salaam: Government Printing Office.

Conference Proceedings: Author(s), (year). Article title, Name of conference, Location of conference, page range.

Internet sources Name of Author(s) or company or organisation, (year), Title of article, URL, date found.


Authors are required to submit the electronic copy of the final version of the manuscript together with a covering letter  signed by the corresponding author stating that all authors (in case of multiple authors) have read the manuscript, agree with the content and approve for submission to Tanzania Journal of Science and Technology. Only materials that have never been submitted for publication and published elsewhere will be considered.

The manuscripts will be subjected to critical review by the Editorial Board and then by at least two anonymous expert reviewers who will look on the originality, relevance, clarity, appropriateness of the methods, validity of data, reasonability of the conclusion and support from data. The Editorial board reserves the right to demand separate detailed information from the author(s) on methodology used and data analysis methods employed as may be applicable. A decision on every manuscript will be communicated to respective author(s) within three months from submission date.

Authors should revise their papers (with minimum alterations) as soon as comments from the reviewers are received; and return a corrected version to the Editorial board for consideration. If corrected proofs are not returned within a reasonable time of dispatch, the Editorial Board reserves the right to reject, or edit any submitted manuscript approved for publication. Contributors will receive one free of charge copy of the Journal when published.

Length of manuscripts: Indicative length of manuscript is as follows; Original high-quality Research papers - Preferably no more than 20 single spaced manuscript pages, including tables and illustrations (maximum 8,000 words), short communications should not exceed 5-7 single spaced manuscript pages excluding references and legends or a maximum of 2,500 words, research notes and review articles in all areas (4,000-8,000 words)

Manuscripts in electronic form should be submitted to:

The Chief Editor, Tanzania Journal of Science and Technology (TJST) by email:

tjst@out.ac.tz; tjst.out@gmail.com