Eric A Hanushek1, Ludger Woessmann2. 1. Stanford University, Stanford, CA 94305, USA. hanushek@stanford.edu. 2. Ifo Institute and Ludwig Maximilians University Munich, 80539 Munich, Germany.
Authors: Patrick O Waeber; Lucienne Wilmé; Jean-Roger Mercier; Christian Camara; Porter P Lowry Journal: PLoS One Date: 2016-08-17 Impact factor: 3.240