MUSHIPE, Melody; OGBONNAYA, Ugorji Iheanachor. Geogebra and Grade 9 Learners’ Achievement in Linear Functions. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 14, n. 08, p. pp. 206–219, 2019. DOI: 10.3991/ijet.v14i08.9581. Disponível em: https://online-journals.org/index.php/i-jet/article/view/9581. Acesso em: 25 apr. 2024.