PENGEMBANGAN MODUL AJAR KURIKULUM MERDEKA BERBASIS ETNOMATEMATIKA KAIN ULOS SUMATERA UTARA. j. penelit. n.a mat. sekol [Internet]. 2024 Dec. 31 [cited 2025 Jul. 3];8(3):410-9. Available from: https://ejournal.unib.ac.id/JPPMS/article/view/35984