GOLD, Judy, Harriet ANDREWS, Gabrielle APPLEFORD, Boni RAMANANTSOA, Odile HANITRINIAINA, Rostom DEIPARINE, and Nick CORBY. 2012. “Using Mobile Phone Text Messages (SMS) to Collect Health Service Data: Lessons from Social Franchises in Kenya, Madagascar and the Philippines”. Journal of Health Informatics in Developing Countries 6 (2). https://jhidc.org/index.php/jhidc/article/view/87.