Mahdnejad,H. . "Exploring the Conceptual Structure and Discursive Dynamics of Urban Tourism in the Post-COVID-19 Pandemic Era: A Bibliometric Analysis with Semantic Clustering (2020–2025)", Tourism management studies of the smart era, 2, 2, 2025, 233-250. doi: 10.22072/tmsse.2026.2085790.1139