Hakim, M. S., Hermayantiningsih, D., Dewi, S. R. ., Andhita, N. A., Tantri and Krissilvio, E. J. . (2023) “Analysis of Acidity and Alkalinity Levels in Primary Drainage Canal IV Bukit Keminting, Palangka Raya, Central Kalimantan”, INDONESIAN JOURNAL OF CHEMICAL RESEARCH, 8(1). doi: 10.20885/ijcr.vol8.iss1.art3.