Mbunda, A., Nzima, I. and Kimaro, A. (2025) “Teacher professional development: study leave criteria as a barrier to qualification upgrading for public primary school teachers in Tanzania”, Papers in Education and Development, 42(2). Available at: https://journals.udsm.ac.tz/index.php/ped/article/view/8542 (Accessed: 10 May 2025).