Safitri, F. N., F. Reffiane, and E. Eka Subekti. “Model Problem Based Learning (PBL) Berbasis Etnomatematika Pada Materi Geometri Terhadap Hasil Belajar”. MIMBAR PGSD Undiksha, vol. 8, no. 3, Oct. 2020, pp. 492-8, doi:10.23887/jjpgsd.v8i3.29040.