PIRLS 2011 User Guide for the International Database. Supplement 1: International Version of the PIRLS 2011, Background Questionnaires and Curriculum Questionnaire

Foy, P., & Drucker, K. T. (Eds.). (2013). Pirls 2011 User Guide for the International Database. Supplement 1:International Version of the Pirls 2011, Background Questionnaires andCurriculum Questionnaire. Amsterdam, The Netherlands: International Association for the Evaluation of Educational Achievement.