WAAD ALLAH, Raad Yusef; OMEER ABBAS, Jarjes. Environmental sustainability and its impact on the mental status an exploratory study of the opinions of a sample of agents for mineral water companies in the city center of Kirkuk. Tikrit Journal of Administrative and Economic Sciences, [S. l.], v. 18, n. 58, 2, p. 201–214, 2022. DOI: 10.25130/tjaes.18.58.2.12. Disponível em: https://www.tjaes.org/index.php/tjaes/article/view/408. Acesso em: 15 nov. 2026.