TY - RPRT A1 - Leo, B. A1 - Morello, R. A1 - Mellon, J. A1 - Peixoto, T. A1 - Davenport, S. T1 - Do mobile phone surveys work in poor countries? Y1 - 2015 DO - 10.2139/ssrn.2597885 PB - Center for Global Development CY - Washington, DC T3 - Center for Global Development Working Paper 398 ER -