Tasirin, Afida, and Mamot Said. 2012. “Potential of a Soft Spreadable Margarine Produced from Waste Chicken Fat and Corn Oil Catalyzed by the Thermomyces Lanuginosus (Tl Im) Lipozyme”. Pakistan Journal of Nutrition 11 (4): 360–366. https://doi.org/10.3923/pjn.2012.360.366.