Tanfiziah, Rida, Indhira Asih, Sukirwan Sukirwan, and Yuyu Yuhana. “Meningkatkan Kemampuan Berpikir Kritis Matematis Melalui Model Problem Based Learning (PBL) Berbasis Daring Pada Siswa Sekolah Dasar: Improving Mathematical Critical Thinking Ability Through Online-Based Problem Learning (PBL) Model In Elementary School Students”. Tunas: Jurnal Pendidikan Guru Sekolah Dasar 7, no. 2 (June 29, 2022): 48–54. Accessed May 2, 2024. https://journal.umpr.ac.id/index.php/tunas/article/view/3685.