Investigating the Relationship between Assertive Behavior and Problem-Solving Abilities among University-Level ESL Students. Annual Methodological Archive Research Review, [S. l.], v. 4, n. 1, p. 1–13, 2026. Disponível em: https://www.amresearchjournal.com/index.php/Journal/article/view/1507. Acesso em: 13 oct. 2026.