Nandika, Dudi, Yeni Aryati Mulyani, Dewi Malia Prawiradilaga, and Dwi Agustina. 2020. “MONITORING of Cacatua Sulphurea Abbotti POPULATION IN MASAKAMBING ISLAND, INDONESIA”. BIOTROPIA 27 (3):271-81. https://doi.org/10.11598/btb.0.0.0.1229.