Constructing and providing content validity evidence through the Aikens V index based on the experts judgments of the instrument to measure mathematical problem-solving skills

Kania N., Kusumah Y. S., Dahlan J. A., Nurlaelah E., GÜRBÜZ F., Bonyah E.

REID (Research and Evaluation in Education), cilt.10, sa.1, ss.64-79, 2024 (Hakemli Dergi)