Mbwafu, F. A. ., and J. M. . Biseko. “Vocabulary Size and Learners’ Performance across Levels of Text Comprehension: A Case of First-Year Students at the University of Dodoma”. JOURNAL OF ISSUES AND PRACTICE IN EDUCATION, vol. 13, no. 2, Dec. 2022, doi:10.61538/jipe.v13i2.1132.