OCHAN JOSEPH, K. E. Application of System Analysis in ODL. JOURNAL OF ISSUES AND PRACTICE IN EDUCATION, [S. l.], v. 4, n. 2, 2017. DOI: 10.61538/jipe.v4i2.230. Disponível em: https://journals.out.ac.tz/index.php/jipe/article/view/230. Acesso em: 4 jul. 2025.