Thimmayamma, B. V. S., K. Satyanarayana, P. K. Rao, and M. C. Swaminathan. “The Effect of Socio-Economic Differences on the Dietary Intake of Urban Population in Hyderabad”. The Indian Journal of Nutrition and Dietetics, vol. 10, no. 1, Jan. 1973, pp. 8-13, https://www.informaticsjournals.com/index.php/ijnd/article/view/10368.