Sinha, R., and G. C. Srivastava. “A Micro-Level Study of Percapita Per Day Levels of Income Expenditure and Nutritional Status of Selected Parm and Non-Farm Households in Patna (Bihar)”. The Indian Journal of Nutrition and Dietetics, vol. 33, no. 5, May 1996, pp. 118-23, http://informaticsjournals.com/index.php/ijnd/article/view/13909.