Aishan, Ramadan Mohamed Shamshuddin, Jusop Fauziah, Che Ishak Arifin, Abdu Adsorption-Desorption Characteristics of Zinc and Copper in Oxisol and Ultisol Amended with Sewage Sludge - 842-855 p. Subjects--Topical Terms: Adsorption-Desorption MeasurementZincCopper