Kartodihardjo, Hariadi, Grahat Nagara, and SitumorangAbdul Wahib. “ Transaction Cost of Forest Utilization Licenses: Institutional Issues ”. Jurnal Manajemen Hutan Tropika 21, no. 3 (December 31, 2015): 184-191. Accessed July 9, 2024. https://jurnalpenyuluhan.ipb.ac.id/index.php/jmht/article/view/10793.