@article{Fehrler2009,
author = {Fehrler, S. and Michaelowa, K. and Wechtler, A.},
title= {The effectiveness of inputs in primary education: insights from recent student surveys for Sub-Saharan Africa},
year = {2009},
doi = {10.1080/00220380802663625},
journal = {The Journal of Development Studies },
volume = {45},
pages = {1545--1578},
}