KASK SERGEY

Virtual reality in support of sustainable tourism: experiences from Eastern Europe = Virtuaalreaalsus toetamas jätkusuutlikku turismi: ida-euroopa kogemused [Text] : a thesis for applying for the degree of Doctor of Philosophy in Environmental Sciences / S. Kask ; supervisors: T. Kull, K. Orru ; [Institute of Agricultural and Environmental Sciences Estonian University of Life Sciences]... – Tartu : [s. n.], 2018. - 120 p. – (Eesti Maaülikooli doktoritööd. - Original publication: p. 67-120. - Text in English and Estonian . – References: p. 50-61, p. 110-114 . – [N. c.] – ISBN 978-9949-629-60-2 (türis), ISBN 978-9949-629-61-9 (pdf-fail) : 0 tg.