Renqvist, U. H., De Vreeze, A. C. and Evenhuis, B. (1978) “The Effect of Traditional Cooking Methods on Carotene Content in Tropical Leafy Vegetables”, The Indian Journal of Nutrition and Dietetics, 15(5), pp. 154–158. Available at: https://informaticsjournals.com/index.php/ijnd/article/view/12207 (Accessed: 1 May 2024).