TARIGAN, M.; FADILLAH. Upaya Penyempurnaan Alat Ukur: Analisis Validitas PAPI Kostick Item Revisi. Jurnal Studia Insania, [S. l.], v. 13, n. 2, p. 134–154, 2025. Disponível em: https://jurnal.uin-antasari.ac.id/index.php/insania/article/view/18185. Acesso em: 24 dec. 2025.