Lengkong HJ. LAJU DEGRADASI HABITAT MONYET HITAM SULAWESI (Macaca nigra) DI CAGAR ALAM GUNUNG DUASUDARA SULAWESI UTARA. JIS [Internet]. 2011 Apr. 1 [cited 2024 Jul. 18];11(1):31-5. Available from: https://ejournal.unsrat.ac.id/v3/index.php/JIS/article/view/37