Lius, Deni, and Sahidi Sahidi. “PENGEMBANGAN SOAL-SOAL OPEN ENDED BERBASIS KEARIFAN LOKAL PADA MATA PELAJARAN MATEMATIKA”. THEOREMA: The Journal Education of Mathematics, vol. 1, no. 2, Dec. 2020, doi:10.36232/theorema.v1i2.1098.