R. Tanfiziah, I. Asih, S. Sukirwan, and Y. 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 J Pendidikan Guru Sekolah Dasar, vol. 7, no. 2, pp. 48–54, Jun. 2022.