Jabeen, Samrena, Subha Malik, Soha Khan, Nohman Khan, Muhammad Imran Qureshi, and Mohd Shamsuri Md Saad. 2020. “A Comparative Systematic Literature Review and Bibliometric Analysis on Sustainability of Renewable Energy Sources”. International Journal of Energy Economics and Policy 11 (1):270-80. https://econjournals.com./index.php/ijeep/article/view/10759.