Tourism 55 Dissertations 25 Dissertations, Academic 25 Economic aspects 8 Heritage tourism 7 Medical tourism 6 Islam 5 Attitudes 4 Religious aspects 4 Tourists 4 Arabic language 3 Culture and tourism 3 Data processing 3 Ecotourism 3 Forecasting 3 Management 3 Social aspects 3 Travel 3 Computer network resources 2 Econometric models 2 English language 2 Environmental aspects 2 Geographic information systems 2 Hospitality industry 2 Hospitals, Proprietary 2 Marketing 2 Psychological aspects 2 Rural tourism 2 Social conditions 2 Sustainable tourism 2