Devadas, Rajammal P., S. Premakumari, and Geetha Subramaniam. 1978. “Biological Availability of β Carotene from Fresh and Dried Green Leafy Vegetables on Preschool Children”. The Indian Journal of Nutrition and Dietetics 15 (10):335-40. https://informaticsjournals.co.in/index.php/ijnd/article/view/12060.