@article{Ahmed2006,
author = {Ahmed, A.U.  and Arends-Kuenning, M. },
title= {Do crowded classrooms crowd out learning? Evidence from the Food for Education Program in Bangladesh},
year = {2006},
doi = {10.1016/j.worlddev.2005.09.011},
journal = {World development },
volume = {34},
pages = {665--684},
}