Verma, Pooja, et al. “Study on Technical, Behavioral and Organizational Factors Affecting the Performance of Mother and Child Tracking System in Rural Area of Varanasi District, Uttar Pradesh: A Qualitative Study”. Indian Journal of Community Health, vol. 32, no. 2, June 2020, pp. 423-6, doi:10.47203/IJCH.2020.v32i02.021.