Tarigan, Medianta, and Fadillah. 2025. “Upaya Penyempurnaan Alat Ukur: Analisis Validitas PAPI Kostick Item Revisi”. Jurnal Studia Insania 13 (2):134-54. https://jurnal.uin-antasari.ac.id/index.php/insania/article/view/18185.