SIDI DRISS, Amar. The morale of employees of Algerian institutions:: A field study at the Al-Idough Milk Foundation – Annaba. Journal of Human Sciences , Constantine, Algeria, v. 31, n. 2, p. 71–90, 2020. Disponível em: http://conferences.umc.edu.dz/h/article/view/3293. Acesso em: 9 jan. 2026.