Development of desmos application integrated ethnomathematics on geometry for grade IV UPT SDN 101826 Tuntungan. JPFKIP [Internet]. 2025 Aug. 31 [cited 2025 Dec. 22];14(4):485-98. Available from: https://primary.ejournal.unri.ac.id/index.php/JPFKIP/article/view/186