SEMPO, M. W.; KHOSIM, N. Said Nursi’s Thoughts on Environmental Sustainability in Risale-I Nur. Afkar: Jurnal Akidah & Pemikiran Islam, [S. l.], p. 107–132, 2020. DOI: 10.22452/afkar.sp2020no2.4. Disponível em: https://ejournal.um.edu.my/index.php/afkar/article/view/26907. Acesso em: 4 may. 2024.