TURPCU, Eray; SIMIC, Vladimir; AYTEKIN, Ahmet; BOZKURT, Eda; KORUCUK, Selçuk. Achieving Sustainable Development Goals in the Tourism Industry: A Spherical Fuzzy Methodology for Choosing the Best Sustainable Marketing Strategy for Hotel Businesses. Spectrum of Engineering and Management Sciences, [S. l.], v. 4, n. 1, p. 98–119, 2026. DOI: 10.31181/sems41202671. Disponível em: https://sems-journal.org/index.php/sems/article/view/71.. Acesso em: 15 may. 2026.