Setyaningsih, R. ., and Sulaiman. “Application of Aiken’s V Method for Validating Research Instruments in an Ethnomathematics Study of Data and Probability Concepts”. INFLUENCE: INTERNATIONAL JOURNAL OF SCIENCE REVIEW, vol. 8, no. 3, Aug. 2026, pp. 259-68, doi:10.54783/influencejournal.v8i3.388.