ALIFIAH, R.; FEBRIETA, D. The role of students’ self-concept in developing assertive behavior. JURNAL PENDIDIKAN DAN SAINS, [S. l.], v. 3, n. 2, 2024. Disponível em: https://jupisi.untara.ac.id/index.php/jupisi/article/view/74. Acesso em: 7 jul. 2024.