1. Student performance, school differentiation, and world cultures: Evidence from PISA 2009. (May 2015) Authors: Zhang, Liang; Khan, Gulab; Tahirsylaj, Armend Journal: International journal of educational development Issue: Volume 42(2015) Page Start: 43 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗