Dhamarani, Aldha, and Riza Khoirunnisa. “The The Relationship Between Self-Concept and Assertive Behavior in Adolescents at Ar-Rudho Junior High School, East Jakarta”. Character Jurnal Penelitian Psikologi 10, no. 1 (July 4, 2023): 470-482. Accessed July 3, 2024. https://ejournal.unesa.ac.id/index.php/character/article/view/53599.