Naga, Dali Santun. “PERANAN INTERKORELASI BUTIR TERHADAP KOEFISIEN RELIABILITAS CRONBACH ALPHA DAN KUDER-RICHARDSON”. Jurnal Kependidikan: Penelitian Inovasi Pembelajaran 34, no. 1 (August 26, 2015). Accessed June 2, 2025. https://journal.uny.ac.id/index.php/jk/article/view/7283.