SARMAH, Biswajit. Challenges of Private Tour Operators of Assam: a study based on tour operators operating from India’s Northeastern region. Turizam, [S. l.], v. 25, n. 3, 2021. DOI: 10.5937/turizam25-27590. Dostupno na: https://asistent.ceon.rs/index.php/turizam/article/view/27590. Pristupljeno: 12 jul. 2026.