[1]
Musyafirah, S. and Mulbar, U. 2026. Needs Analysis and Design of Problem-Based Learning E-Book on Solid Geometry Material. OMEGA: Jurnal Keilmuan Pendidikan Matematika. 5, 2 (May 2026), 257–266. DOI:https://doi.org/10.47662/jkpm.v5i2.1276.