1. Solar vs diesel: Where to draw the line for cell towers;T Ahmad;Proceedings of the Seventh International Conference on Information and Communication Technologies and Development,2015
2. Mobile phones and economic development in Africa;J C Aker;Journal of economic Perspectives,2010
3. Migration, money transfers, and mobile money: Evidence from Niger;J C Aker,2020
4. Ethnic inequality;A Alesina;Journal of Political Economy,2016