Sharma, A., A. Shinde, and A. Kar. “Prevalence in the Utilization of Text Message Services under the Mother and Child Tracking System of India: A Cross Sectional Study from Pune District, Maharashtra, India”. International Journal Of Community Medicine And Public Health, vol. 3, no. 8, Jan. 2017, pp. 2319-24, doi:10.18203/2394-6040.ijcmph20162591.