The policy of Vocational Training in the Algerian Public Economic Institution - The Pipe Industry Institution (ALFAPIPE) in Ghardaia as a Model. مجلة الواحات للبحوث والدراسات, [S. l.], v. 15, n. 2, 2023. Disponível em: https://journals.univ-ghardaia.edu.dz/elwahat/article/view/1354. Acesso em: 19 فبراير. 2026.