Pratama, D., and I. Husnayaini. “PROGRAM FOR INTERNATIONAL STUDENT ASSESSMENT (PISA) ANALYSIS OF ASIAN COUNTRIES USING K-MEAN CLUSTERING ALGORITHMS ”. JISAE: Journal of Indonesian Student Assessment and Evaluation, Vol. 8, no. 1, Mar. 2022, pp. 35 -44, doi:10.21009/jisae.v8i1.25445.