“Design Of Worksheet Student Using Problem Based Learning Model Based On The Character Of Critical Thinking”. Apotema : Jurnal Program Studi Pendidikan Matematika 8, no. 1 (January 31, 2022): 11–21. Accessed January 15, 2026. https://publikasi.stkippgri-bkl.ac.id/index.php/APM/article/view/700.