Razpotnik Visković, Nika, and Erik Logar. “Certification, Labelling and Branding in Tourism Research: Systematic Review”. Acta geographica Slovenica 62, no. 2 (November 10, 2022): 135–150. Accessed November 21, 2024. https://ojs.zrc-sazu.si/ags/article/view/10858.