N. Nasir, Z. Daud. PERFORMANCE OF ALUMINIUM SULPHATE AND POLYALUMINIUM CHOLORIDE IN BIODIESEL WASTEWATER. J. Mech. Eng. Sci. [Internet]. 2014 Dec. 31 [cited 2024 May 18];7(1):1189-95. Available from: https://journal.ump.edu.my/jmes/article/view/8147