د. الفاتح الفضل محمد الحاج; أ. موسى الطيب أحمد العبيد. The Effect of Applying Standard Costing Methods in Control of Costs Elements : A Field Study of Some Industrial Companies in Sudan. White Nile Journal for Studies and Research, [S. l.], n. 20, p. 139–163, 2022. Disponível em: https://journals.wnu.edu.sd/index.php/wnjsr/article/view/73. Acesso em: 13 jun. 2026.