WISMAN. THE EFFECT OF ASSERTIVE BEHAVIOR AND SELF-DISCLOSURE ON MATHEMATICAL PROBLEM-SOLVING ABILITY (SURVEY AT SMP NEGERI IN NORTH JAKARTA). International Journal of Accounting, Management, Economics and Social Sciences (IJAMESC), [S. l.], v. 1, n. 4, p. 475–484, 2023. DOI: 10.61990/ijamesc.v1i4.54. Disponível em: https://ijamesc.com/index.php/go/article/view/54. Acesso em: 14 dec. 2024.