Abidin, Ahmad Zainal, and Salamah Noorhidayati. “Promoting Eco-Pesantren Based on Qur’an and Hadith at PPTA Al-Kamal Integrated Islamic Boarding School, Blitar, East Java, Indonesia”. QOF 9, no. 1 (June 20, 2025): 135–154. Accessed July 1, 2026. http://103.134.17.251/qof/article/view/2794.