APA Style

Department, K, M. (2019). BIOTROP Courier Vol. 21 No.4 (Oct - Dec 2019) . Bogor: SEAMEO BIOTROP.

MLA Style

Department, Knowledge, Management. "BIOTROP Courier Vol. 21 No.4 (Oct - Dec 2019)". Bogor: SEAMEO BIOTROP, 2019. Text.