Saraswati, Ni Luh Gede Rai Ayu, I Wayan Arthana, I Gede Surya Risuana, and I Gede Hendrawan. 2018. “WATER POLLUTION LEVELS IN THE SUWUNG ESTUARY, BALI, BASED ON BIOLOGICAL OXYGEN DEMAND”. BIOTROPIA 25 (3):233-40. https://doi.org/10.11598/btb.2018.25.3.1001.