TY  - JOUR
A1  - Aker, Jenny C.
A1  - Ksoll, Christopher
A1  - Lybbert, Travis J.
T1  - Can mobile phones improve learning? Evidence from a field experiment in Niger
Y1  - 2012
DO  - 10.1257/app.4.4.94
VL  - 4
IS  - 4

ER  -