Susanti, D., Sabil, H., & Arisha, B. (2026). PERSEPSI SISWA TERHADAP PENERAPAN PROBLEM BASED LEARNING BERBASIS ETNOMATEMATIKA PADA MATERI SPLDV. De Fermat : Jurnal Pendidikan Matematika, 9(1), 674–683. https://doi.org/10.36277/defermat.v9i1.2548