TY - BOOK AU - Sigala, Marianna AU - Christou, Evangelos AU - Gretzel, Ulrike AU - Ioannides, Dimitri TI - Social media in travel, tourism and hospitality: theory, practice and cases SN - 9781032511689 U1 - 910.688 PY - 2023/// CY - Oxon PB - Routledge KW - Social Media KW - Tourism KW - Web 2.0 ER -