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Tarigan M, Fadillah. Upaya Penyempurnaan Alat Ukur: Analisis Validitas PAPI Kostick Item Revisi. j. Studia Insania [Internet]. 2025 Dec. 22 [cited 2026 Apr. 30];13(2):134-5. Available from: https://jurnal.uin-antasari.ac.id/index.php/insania/article/view/18185