MUSA SIRAJO; UMAR ABDULLAHI. Influence of Availability of Instructional Resources on learning Mathematics in North-western Nigeria. Journal of General Education and Humanities, Bandung, Indonesia, v. 2, n. 2, p. 121–129, 2023. DOI: 10.58421/gehu.v2i2.73. Disponível em: http://journal-gehu.com/index.php/gehu/article/view/73. Acesso em: 17 apr. 2026.