Kasturiba, B. J., R. K. Naik, and P. W. Basarkar. “Adequacy of Related Nutrients and Vitamin A Status of School Children”. The Indian Journal of Nutrition and Dietetics, vol. 44, no. 2, Feb. 2007, pp. 154-9, https://www.informaticsjournals.com/index.php/ijnd/article/view/6220.