Devadas, R. P., R. Rajalakshmi, and R. Kaveri. “Influence of Family Income and Parents’ Education on the Nutritional Status of Preschool Children”. The Indian Journal of Nutrition and Dietetics, vol. 17, no. 7, July 1980, pp. 237-44, https://www.informaticsjournals.com/index.php/ijnd/article/view/12551.