TY JOUR TI Video-excursion expert evaluation methodology in guide training KW tour-guide training KW tour-guide performance assessment methodology KW video-excursion evaluation form KW case-study method in tour-guide training JO Universities for Tourism and Service Association Bulletin AU Afanasev, O.E. AU Trotsenko, A.. PY 2014 IS 8 PB Russian State University of Tourism and Service