APA (7th ed.) Citation

León, J., & Martínez-Abad, F. The effect of grade retention on performance in Spanish students: A propensity score matching approach. SpringerOpen.

Chicago Style (17th ed.) Citation

León, Jaime, and Fernando Martínez-Abad. The Effect of Grade Retention on Performance in Spanish Students: A Propensity Score Matching Approach. SpringerOpen.

MLA (9th ed.) Citation

León, Jaime, and Fernando Martínez-Abad. The Effect of Grade Retention on Performance in Spanish Students: A Propensity Score Matching Approach. SpringerOpen.

Warning: These citations may not always be 100% accurate.