Begum, S., and R. Devi. “Efficienct of Different Janata Refrigerators in Retaining Ascorbic Acid in Vegetables”. The Indian Journal of Nutrition and Dietetics, vol. 29, no. 12, Dec. 1992, pp. 361-9, http://www.informaticsjournals.com/index.php/ijnd/article/view/8564.