HARRISON, Amadi Confidence; BRIGHT, Ajoku. An Assessment of Dualism in Systematic and Regional Geography. NIU Journal of Humanities, [S.l.], v. 4, n. 3, p. 95-102, oct. 2019. ISSN 3007-1712. Disponible en: <https://www.kampalajournals.ac.ug/ojs/index.php/niuhums/article/view/615>. Fecha de acceso: 05 abr. 2026