PUTRI, Rahma Nadhira; NURAFNI, Nurafni. E-Book Development To Improve Spatial Literacy In Elementary Geometry Learning. Mathline : Jurnal Matematika dan Pendidikan Matematika, [S. l.], v. 10, n. 3, p. 861–872, 2025. DOI: 10.31943/mathline.v10i3.1002. Disponível em: http://mathline.unwir.ac.id/index.php/Mathline/article/view/1002. Acesso em: 27 feb. 2026.