Spatial Economy Approach and Development Disparity (Study of Heterogeneity in the Municipalities of Saida City -Algeria-). Global Journal of Human-Social Science, [S. l.], v. 14, n. E8, p. 23–31, 2014. Disponível em: https://socialscienceresearch.org/index.php/GJHSS/article/view/102985. Acesso em: 19 feb. 2026.