Dilla Fatmawati, et al. “Pengaruh Model Problem Based Learning Dengan Pendekatan Etnomatematika Berbasis Makanan Daerah Terhadap Hasil Belajar Materi Bangun Datar Segiempat”. Jurnal THEOREMS (The Original Research of Mathematics), vol. 8, no. 2, Jan. 2024, pp. 297-08, doi:10.31949/th.v8i2.7456.