TY JOUR TI Application of the 2D Didactics Principle to Ecology- and Information-Related Discipline Teaching: A Posteriori KW Gzhel state artistically-industrial institute KW undergraduates majoring in service and tourism, ecology KW environmental education KW environmental literacy. JO Universities for Tourism and Service Association Bulletin AU Tsekhanovich, O.. AU Byrdin, V.. PY 2014 IS 8 PB Russian State University of Tourism and Service