هند بلعيد خليفة; هند عبد القادر عيسى. Developing a dynamic mathematical model to analyze the impact of technological progress on productivity using differential equations and the Cobb-Douglas production function. African Journal of Advanced Pure and Applied Sciences , [S. l.], v. 4, n. 4, p. 722–731, 2025. Disponível em: https://www.aaasjournals.com/index.php/ajapas/article/view/1765. Acesso em: 30 jan. 2026.