Items where Author is "Sujiman, Sujiman"
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Sujiman, Sujiman (2023) Water quality condition from upstream to downstream of Mahakam River, Kutai Kartanegara District, East Kalimantan. International Journal of Environmental, Sustainability and Social Science, 4 (4): 24. pp. 1199-1210. ISSN 2720-9644