Muslim, M., R. Yunus, and A. Sholahuddin. “PENGARUH PEMBELAJARAN PROBLEM SOLVING TERHADAP KETERAMPILAN PEMECAHAN MASALAH SISWA SMP”. Journal of Banua Science Education, vol. 2, no. 2, June 2022, pp. 109-16, doi:10.20527/jbse.v2i2.104.