1.
Kania N, Kusumah YS, Dahlan JA, Nurlaelah E, Gí¼rbí¼z F, Bonyah E. Constructing and providing content validity evidence through the Aiken’s V index based on the experts’ judgments of the instrument to measure mathematical problem-solving skills. REiD [Internet]. 2024 Jun. 30 [cited 2025 May 14];10(1):64-79. Available from: https://jurnal.uny.ac.id/index.php/reid/article/view/71032