©2013 National Research Council of Thailand
Pranuda Thammapapoj. 2001. Infulences of media toward knowledge and attitude of Krabi's tour gides on sustainable tourism. Department of Agricultural Extension and Communication, Kasetsart University;
Pranuda Thammapapoj. (2001) Infulences of media toward knowledge and attitude of Krabi's tour gides on sustainable tourism . Kasetsart University/Bangkok.
Pranuda Thammapapoj. Infulences of media toward knowledge and attitude of Krabi's tour gides on sustainable tourism. . Bangkok:Kasetsart University, 2001.
Pranuda Thammapapoj. (2001) Infulences of media toward knowledge and attitude of Krabi's tour gides on sustainable tourism . Kasetsart University/Bangkok.