THE STUDY OF DEOXYGENATION RATE OF RANGKUI RIVER WATER DURING DRY SEASON. International Journal of Geomate, [S. l.], v. 15, n. 47, p. 164–169, 2021. Disponível em: https://geomatejournal.com/geomate/article/view/864. Acesso em: 5 oct. 2026.