WAZNI , A. I. K. .; SAEED , J. O. M. . Estimating the Surplus of the Tourist Consumer that the Visitors of the Chibayish Marshes Get in the City of Nasiriyah. International Journal of Sciences: Basic and Applied Research (IJSBAR), [S. l.], v. 57, n. 1, p. 171–185, 2021. Disponível em: https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/12517. Acesso em: 28 may. 2023.