1. WALHI, “ Environmental Conditions in Indonesia Amidst Global Warming Issues,” 2021. (Originally in Indonesian)
2. A. Syamsul, “ Religion and the Future of Human Ecology,” Ulumul Qur’an, vol. V, no. 5 & 6, 1994. (Originally in Indonesian)
3. A. Harefa, School Is Never Enough. Jakarta: Gramedia Pustaka Utama, 2002. (Originally in Indonesian)
4. Education in emergencies: challenges of providing education for Rohingya children living in refugee camps in Bangladesh
5. Kaelan, Philosophy Qualitative Research Methodology. Yogyakarta: Paradigma, 2002. (Originally in Indonesian)