Agung Cahya, Sururin, and Erba Rozalina Yulianti. “Leading Islamic Schools As a Basis for Environmentally Friendly Education (Eco-Islamic Schools)”. al-Afkar, Journal For Islamic Studies 9, no. 1 (March 11, 2026): 2201–2212. Accessed September 4, 2026. http://al-afkar.com/index.php/Afkar_Journal/article/view/3176.