TY - BOOK AU - Murtedza Mohamed TI - Garis dasar kualiti air T2 - Siri kajian kualiti air di Sabah KW - Groundwater KW - Quality KW - Malaysia KW - Sabah KW - Water quality N1 - Laporan II, Lembangan Sungai Labuk; Laporan III, Lembangan Sungai Sugut; Laporan cuti sabatikal ER -