UNIKA TRI PANGESTUTI; DWI SULISTYANINGSIH; EKO ANDY PURNOMO. Analysis of The Need for Electronic Teaching Materials on the Topics of Relations and Function for Grade VIII. Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika, [S. l.], v. 8, n. 1, p. 336–348, 2025. DOI: 10.30605/proximal.v8i1.5181. Disponível em: https://www.e-journal.my.id/proximal/article/view/5181. Acesso em: 8 jul. 2025.