2024-10-212024-10-21https://repoemc.ukm.my/handle/123456789/18268Indeks kualiti air (IKA)lembaran Sungai PakapencemaranRiver basinWater Quality Index (WQI)Kajian Indeks Kualiti Air di Lembangan Sungai Paka, TerengganuJournal Article