Ahdhianto, Erif, Siti Masula, M Anas Thohir, and Khusnul Khotimah. 2024. “Development of PBL-Based E-Modules to Improve Problem-Solving and Critical Thinking Skills of Elementary School Students”. Jurnal Math Educator Nusantara: Wahana Publikasi Karya Tulis Ilmiah Di Bidang Pendidikan Matematika 10 (1), 167-78. https://doi.org/10.29407/jmen.v10i1.22376.