Sappaile, Baso Intang. “KONSEP INSTRUMEN PENELITIAN PENDIDIKAN”. Jurnal Pendidikan dan Kebudayaan 13, no. 66 (May 15, 2007): 379-391. Accessed March 26, 2023. http://jurnaldikbud.kemdikbud.go.id/index.php/jpnk/article/view/356.