Banch, Tawfiq J. H., Factorial design and optimization of landfill leachate treatment using aeration and tannin coagulation processes/ Tawfiq J. H. Banch. - xvii, 181 pages : illustrations ; 30 cm. Thesis (Ph.D) - Universiti Kebangsaan Malaysia, 2020. References : page 140-162. Subjects--Corporate Names: Universiti Kebangsaan Malaysia--Dissertations. Subjects--Topical Terms: Dissertations, Academic--Malaysia.Refuse and refuse disposal.Landfill leachate treatment.Coagulation process.