Avaaj otalo: a field study of an interactive voice forum for small farmers in rural india
Patel, Neil, Deepti Chittamuru, Anupam Jain, Paresh Dave, and Tapan S Parikh. 2010. “Avaaj otalo: a field study of an interactive voice forum for small farmers in rural india”. Proceedings of the SIGCHI Conference on Human Factors in Computing Systems. ACM.