Ridwan Adi Surya, Devianto Girsang, Sahindomi Bana, Kahirun, La Ode Siwi, and La Ode Midi. 2021. “DETERMINING RIVER WATER QUALITY STATUS BASED ON THE POLLUTION INDEX METHOD AS CONTROL OF ENVIRONMENTAL QUALITY”. Jurnal Infrastruktur 7 (1), 29 - 41. https://doi.org/10.35814/infrastruktur.v7i1.1945.