Subhaktiyasa PG. Evaluasi Validitas dan Reliabilitas Instrumen Penelitian Kuantitatif: Sebuah Studi Pustaka. J. Educ. Res. [Internet]. 2024 Nov. 21 [cited 2025 Aug. 2];5(4):5599-60. Available from: https://mail.jer.or.id/index.php/jer/article/view/1747