Asaad Dheyaa Abbas Al-Nabooee. “The Economic and Environmental Feasibility of Using Renewable Energy in Public Transport: An Extensive Study”. African Journal of Advanced Pure and Applied Sciences (AJAPAS) 1, no. 3 (July 27, 2022): 81–90. Accessed December 22, 2024. https://aaasjournals.com/index.php/ajapas/article/view/55.