Modlisation et Qantification de la Rentabilit des SystAmes Aducatifs: Formation dUne Anne. Global Journal of Human-Social Science, [S. l.], v. 14, n. E7, p. 51–55, 2014. Disponível em: https://socialscienceresearch.org/index.php/GJHSS/article/view/100779. Acesso em: 19 feb. 2026.