Razak N, Hashim H, Yunus A, Ghafar F, Zulkafli N. Effects of Hygroscopic Potash Lye Catalyst Concentration on the Waste Chicken Fat Methyl Ester Production. JET [Internet]. 2016Dec.30 [cited 2024Dec.18];7(2):103-9. Available from: https://jet.utem.edu.my/jet/article/view/1205