Rahayu, Yustika Dwi, and . Satiningsih. “DAMPAK SIBLING RIVALRY PADA REMAJA KEMBAR”. Character Jurnal Penelitian Psikologi 9, no. 6 (June 21, 2022): 209–221. Accessed June 24, 2025. https://ejournal.unesa.ac.id/index.php/character/article/view/47432.