Devadas, R. P., and S. Premakumari. “Dietary Habits and Beta Carotene Rich Food Intakes of Children (6-12 Years of Age) Participating in the Puratchi Thalaivar Dr. M.G.R. Nutritious Meal Programme for Children”. The Indian Journal of Nutrition and Dietetics, vol. 30, no. 1, Jan. 1993, pp. 1-4, https://www.informaticsjournals.com/index.php/ijnd/article/view/8160.