Choriah Tumanggor, N., M. Samin Lubis, L. D. Afri, and S. Maysarah. “Pengaruh Model Problem Based Learning Berbasis Etnomatematika Terhadap Kemampuan Pemecahan Masalah Siswa SMP”. Journal of Multidisciplinary Inquiry in Science, Technology and Educational Research, vol. 3, no. 2, Feb. 2026, pp. 1661-8, doi:10.32672/mister.v3i2.4165.