Ghatak, P. K., K. Sarkar, S. Moulick, and P. R. Ray. “Enhancement of Shelf-Life of Kalakand With Food Additives”. The Indian Journal of Nutrition and Dietetics, vol. 40, no. 6, June 2003, pp. 212-7, https://www.informaticsjournals.com/index.php/ijnd/article/view/6752.