Fauzan, A. 2020. MENINGKATKAN BERFIKIR KRITIS DENGAN MODEL PBL MATERI MATRIKS SMA SABILUL HUDA. JTIEE (Journal of Teaching in Elementary Education). 4, 2 (Dec. 2020), 1–7. DOI:https://doi.org/10.30587/jtiee.v4i2.2138.