Oktavia O, Rahayu W, Sarifah I. EVALUATION OF THE CONTENT VALIDITY OF THE BSDLE INSTRUMENT USING EXPERT JUDGMENT AND AIKEN’S V ANALYSIS. ICHES [Internet]. 2025 Jun. 30 [cited 2026 Oct. 6];4(1). Available from: https://proceedingsiches.com/index.php/ojs/article/view/389