BAT-ULZII, Tuvshinbayar. Theory and methodology of online tourism products and services current status. OTU - Journal of Otgontenger, [S. l.], v. 17, n. 2, p. 8–18, 2025. DOI: 10.66295/otu.v17i2.4967. Disponível em: https://mongoliajol.info/index.php/OTU/article/view/4967. Acesso em: 12 mar. 2026.