Angkasa, Zuber, Erfan M Kamil, Reny Kartika Sary, and Meldo Andi Jaya. “From Pesantren Towards Ecopesantren: Sustainability Index Assessment and Improvement Recommendations”. Arsir 9, no. AIP (April 30, 2025): 195–210. Accessed May 11, 2025. https://ojs.um-palembang.ac.id/index.php/arsir/article/view/590.