Kuswijayanti, Elisabet Repelita, Arya Hadi Dharmawan, and Hariadi Kartodihardjo. “KONSERVASI SUMBERDAYA ALAM DI TAMAN NASIONAL GUNUNG MERAPI: ANALISIS EKOLOGI POLITIK”. Journal of Natural Resources and Environmental Management 1, no. 1 (July 30, 2011): 23. Accessed September 26, 2020. http://journal.ipb.ac.id/index.php/jpsl/article/view/10851.