SELDA ÖZER. THE EFFECT OF SYSTEMATIC INSTRUCTION ON STUDENT ACHIEVEMENT AT ASSOCIATE DEGREE. International Journal of Eurasia Social Sciences , [S. l.], v. 8, n. 30, p. 1433–1450, 2017. Disponível em: https://rrpubs.com/index.php/ijoess/article/view/998. Acesso em: 6 jun. 2025.