Skobkin, Sergey. “Economic Strategy of the Hospitality Industry Development in the Russian Federation: Methodology and Practice: Supervisors: Prof. Mikhail Yurievich Laiko, Department of Hotel and Tourist Business, Plekhanov Russian University of Economics Institution Awarding the Ph. D. Degree: The Plekhanov Russian University of Economics Date of Defence: 30th October 2013”. European Journal of Tourism Research 8 (October 1, 2014): 166–169. Accessed October 19, 2021. https://ejtr.vumk.eu/index.php/about/article/view/158.