Govani, K. J. ., J. K. . Sheth, and D. V. . Bala. “Utilization Assessment of Basic Maternity Health Services Through Mamta Card in Rural Ahmedabad”. National Journal of Community Medicine, vol. 4, no. 01, Mar. 2013, pp. 40-43, https://www.njcmindia.com/index.php/file/article/view/1455.