Alwin Jayakumar, Y., Y. S. Sivan, C. Arumughan, A. Sundaresan, A. Jayalekshmi, D. R. Soban Kumar, K. P. Suja, S. S. Deepa, M. Damodaran, C. R. Soman, V. Raman Kutty, and P. Sankara Sarma. “Consumption Profile of Preschool Children Supplemented With Different Dosages of Red Palm Oil, Retinol Palmitate and Groundnut Oil”. The Indian Journal of Nutrition and Dietetics, vol. 38, no. 11, Nov. 2001, pp. 384-93, https://informaticsjournals.co.in/index.php/ijnd/article/view/6835.