Bhaskarachary, K., R. Ananthan, and T. Longwah. “Effect of Household Processing and Cooking of Common Foods on Carotenoids Retention”. The Indian Journal of Nutrition and Dietetics, vol. 44, no. 2, Feb. 2007, pp. 132-9, http://www.informaticsjournals.com/index.php/ijnd/article/view/6217.