León, J., & Collahua, Y. (2015). Technical note 33: The reliability and validity of achievement tests in the second Young Lives school survey in Ethiopia. Young Lives.
Chicago-Zitierstil (17. Ausg.)León, J., und Y. Collahua. Technical Note 33: The Reliability and Validity of Achievement Tests in the Second Young Lives School Survey in Ethiopia. Young Lives, 2015.
MLA-Zitierstil (9. Ausg.)León, J., und Y. Collahua. Technical Note 33: The Reliability and Validity of Achievement Tests in the Second Young Lives School Survey in Ethiopia. Young Lives, 2015.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.