Emilia, Emilia, Fadrik Adi Fahrudin, and Baiq Rofina Arvy. “The Effect of Collaborative Learning on Students Mathematical Communication and Problem-Solving Skills in Polyhedra”. Jurnal Pendidikan Matematika (JPM) 12, no. 1 (March 13, 2026): 13-23. https://doi.org/10.33474/jpm.v12i1.24909.