Kartodihardjo, Hariadi, Grahat Nagara, and Abdul Wahib Situmorang. “ Transaction Cost of Forest Utilization Licenses: Institutional Issues ”. Jurnal Manajemen Hutan Tropika 21, no. 3 (December 31, 2015): 184–191. Accessed December 29, 2025. https://journal.ipb.ac.id/jmht/article/view/10793.