Parvatham, R., N. K. Murthy, and S. Seethalakshmi. “Effect of Crude Palm Oil on the Levels of Human Serum Lipids, Vitamins A and E”. The Indian Journal of Nutrition and Dietetics, vol. 32, no. 12, Dec. 1995, pp. 281-5, https://informaticsjournals.com/index.php/ijnd/article/view/7876.