SHAMLE, Hannah Nathaniel; IBRAHIM, Retchen Pomak. Effects of Demonstration Method on Senior Secondary School Students’ Achievement in Geographic Information System (GIS) in Abaji Area Council, FCT-Abuja. NIU Journal of Social Sciences, [S.l.], v. 5, n. 3, p. 271-280, oct. 2019. ISSN 3007-1690. Disponible en: <https://www.kampalajournals.ac.ug/ojs/index.php/niujoss/article/view/598>. Fecha de acceso: 05 abr. 2026