Premakumari, S., and K. Deepa. “Socio-Economic, Nutritional and Health Factors Influencing the Cognitive Development of 7-9 Year Old Children”. The Indian Journal of Nutrition and Dietetics 45, no. 1 (January 1, 2008): 1–10. Accessed May 5, 2024. http://www.informaticsjournals.com/index.php/ijnd/article/view/4983.