KUSRIYATI; EKO DARMANTO; SUMAJI. Problem-Based Student Work Sheet Development to Improve Learning Outcomes Mathematics of Elementary School Class Students. ICCCM Journal of Social Sciences and Humanities , [S. l.], v. 3, n. 3, p. 81–93, 2024. DOI: 10.53797/icccmjssh.v3i3.13.2024. Disponível em: https://www.ejicccm.com/index.php/icccmjssh/article/view/209. Acesso em: 16 jun. 2025.