ENG. FIRAS NAJI HATEM; ENG. ABBAS MAHMOUD NAYEF. The effect of good leadership in achieving job happiness indicators / an exploratory study of a sample of workers in travel and tourism companies in the city of Baghdad. AL-Yarmouk Journal, [S. l.], v. 19, n. 6-1, p. 385–418, 2026. Disponível em: https://journal.al-yarmok.edu.iq/index.php/alyj/article/view/1416. Acesso em: 27 jul. 2026.