lestari hana, Rahmawati I, Mukri R, Amaliyah P. APPLICATION OF PROBLEM BASED LEARNING MODEL BASED ON ETHNOMATHEMATICS TO IMPROVE MATHEMATICAL COMMUNICATION OF ELEMENTARY SCHOOL STUDENTS. JKIM [Internet]. 2025 Jun. 2 [cited 2025 Oct. 18];12(2):67-74. Available from: http://jurnal-inais.id/index.php/JKIM/article/view/679