Ratnasingam, Ganeshwaran. “Application of Alternative Energy Sources As A Sustainable Strategy in Sri Lanka: Cases Review”. JURISMA : Jurnal Riset Bisnis & Manajemen 13, no. 2 (October 19, 2023): 217-236. Accessed July 3, 2024. https://ojs.unikom.ac.id/index.php/jurisma/article/view/11020.