Antony, G. M., and K. Visweswara Rao. “Pattern of Consumer Expenditure and Poverty Level:A Case Study of Two Villages in Kerala”. The Indian Journal of Nutrition and Dietetics, vol. 42, no. 8, Aug. 2005, pp. 357-66, http://www.informaticsjournals.com/index.php/ijnd/article/view/6404.