TY - JOUR A1 - Fehrler, S. A1 - Michaelowa, K. A1 - Wechtler, A. T1 - The effectiveness of inputs in primary education: insights from recent student surveys for Sub-Saharan Africa Y1 - 2009 DO - 10.1080/00220380802663625 JF - The Journal of Development Studies VL - 45 ER -