Narumitr Sawangphol. 1999. The application of fuzzy logic and GIS : a case study for the evaluation of tourist accommodation area in Sukhothai province. Inter-Department of Environmental Science, Chulalongkorn University;

Narumitr Sawangphol. The application of fuzzy logic and GIS : a case study for the evaluation of tourist accommodation area in Sukhothai province. . Bangkok:Chulalongkorn University, 1999.

Narumitr Sawangphol. (1999) The application of fuzzy logic and GIS : a case study for the evaluation of tourist accommodation area in Sukhothai province . Chulalongkorn University/Bangkok.