Premakumari, S., Geetha, G. and Devadas, R. P. (1978) “Availability of Calcium from Tree Lettuce (<i>Pisonia alba</i>) on School Children”, The Indian Journal of Nutrition and Dietetics, 15(3), pp. 67–71. Available at: https://www.informaticsjournals.com/index.php/ijnd/article/view/12114 (Accessed: 2 May 2024).