1.
Mahmoud AO, Mohamed AI. The Effect of Operating Costs on Environmental Degradation under International Environmental Standards: Case study - Khartoum State. JEALS [Internet]. 2020 Aug. 28 [cited 2025 Dec. 20];4(9):159-43. Available from: https://www.ajsrp.ojsexpert.com/index.php/jeals/article/view/2778