“APPLICATION OF PROBLEM-BASED LEARNING BASED ON ETHNOMATHEMATICS CANDI IJO TO IMPROVE MATHEMATICS LEARNING OUTCOMES ON FLAT BUILDINGS MATERIAL STUDENTS OF MTSN 9 BANTUL”. Proceedings of the International Conference on Education 11, no. 02 (October 17, 2025): 70–80. Accessed December 7, 2025. https://proceedings.tiikmpublishing.com/index.php/icedu/article/view/1754.