Irawan, Irawan. “EKOLOGI SPIRITUAL: SOLUSI KRISIS LINGKUNGAN”. Scientia: Jurnal Hasil Penelitian 2, no. 1 (June 28, 2017): 1-21. Accessed August 13, 2022. https://jurnal.lp2msasbabel.ac.id/index.php/sci/article/view/945.