Yonik Meilawati Yustiani, and Hary Pradiko and Rahmad Hadjeri Amrullah. 2021. “THE STUDY OF DEOXYGENATION RATE OF RANGKUI RIVER WATER DURING DRY SEASON”. GEOMATE Journal 15 (47):164-69. https://geomatejournal.com/geomate/article/view/864.