DR. ABDAL AZEAM OSMAN QAMAR-KL.DEEN; DR. ABDALLAH MAHMOUD ABDAL.MAJED. Mathematics Subject Supervision. Its Significance. Problems. and Solutions from the Teachers Viewpoints. White Nile Journal for Studies and Research, [S. l.], n. 4, p. 159–184, 2014. Disponível em: https://journals.wnu.edu.sd/index.php/wnjsr/article/view/228. Acesso em: 13 jun. 2026.