ABDELLATIF, Amira; LABOU, Mohamed Lamine. National program of upgrade 20,000 Small and medium-sized enterprises what’s new ? . Journal of Human Sciences , Constantine, Algeria, v. 31, n. 4, p. 463–475, 2020. Disponível em: http://conferences.umc.edu.dz/h/article/view/3516. Acesso em: 9 jan. 2026.