Unika Tri Pangestuti, Dwi Sulistyaningsih and Eko Andy Purnomo (2025) “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, 8(1), pp. 336–348. doi: 10.30605/proximal.v8i1.5181.