Mahfiroh, Nur Lailiyatul, Sulis Janu Hartati, and Ahmad Hatip. 2022. “Design Of Worksheet Student Using Problem Based Learning Model Based On The Character Of Critical Thinking”. Apotema : Jurnal Program Studi Pendidikan Matematika 8 (1):11-21. https://doi.org/10.31597/ja.v8i1.700.