The importance of tourism marketing in the development of the tourism sector In light of the security unrest - Case Study State of Ghardaia. Journal of Economic Additions, [S. l.], v. 3, n. 2, p. 144–168, 2019. Disponível em: https://journals.univ-ghardaia.edu.dz/idafat/article/view/239. Acesso em: 19 feb. 2026.