Ximenes, Salvador Magno. “Challenges and Opportunities in Teaching Mathematics in Timor-Leste’s Primary Schools: A Systematic Review”. Journal of Information System and Education Development 4, no. 1 (March 31, 2026): 23–32. Accessed April 3, 2026. https://journal.mwsfoundation.or.id/index.php/jised/article/view/183.