David-Negre T. Social network analysis in tourism for improving marketing strategies. Understanding tourists’ behaviour through their customer journey: Supervisors: Sergio Moreno-Gil and Juan M. Hernández Institution awarding the Ph. D. Degree: Universidad de Las Palmas de Gran Canaria Date of defence: 08 November 2019. EJTR [Internet]. 2020 Aug. 11 [cited 2026 May 14];26:2613. Available from: https://ejtr.vumk.eu/index.php/about/article/view/1944