Ahmed Haweel (2024) "A Comparative Study of Environmental Impacts between Renewable and Non-Renewable Energy Sources: An Overview", African Journal of Advanced Pure and Applied Sciences (AJAPAS), ص 165–172. موجود في: https://aaasjournals.com/index.php/ajapas/article/view/785 (تاريخ الوصول: 30 يونيو 2024).