COOPERATIVE PLAY UNTUK MENURUNKAN PERILAKU SIBLING RIVALRY PADA ANAK. Jurnal Harkat : Media Komunikasi Gender, [S. l.], v. 15, n. 2, p. 106–115, 2019. DOI: 10.15408/harkat.v15i2.13467. Disponível em: https://journal.uinjkt.ac.id/psga/article/view/13467. Acesso em: 16 oct. 2025.