MUSAFIR, Muhammad; BASUKI, Agus. Group Behavioral Counseling Using Assertive Techniques to Reduce Procrastination in Junior High School Students. KnE Social Sciences, [S. l.], v. 6, n. 2, p. 271–286, 2021. DOI: 10.18502/kss.v6i2.9994. Disponível em: https://knepublishing.com/index.php/KnE-Social/article/view/9994. Acesso em: 11 jul. 2025.