... “intellectual structure” refers to “a set of salient attributes of the knowledge base that can provide an organized and holistic understanding of the chosen scientific domain” (Shafique, 2013 , p. 63). The intellectual structure realm includes co-citation networks, references of the studies, visualization...

... – Microsoft Academic Search. This database contains metadata (bibliographic information and citations) for research articles published in journals and conference proceedings. The steps for building an intellectual structural map for this study were as follows: keywords “hospitality tourism service...