©2013 National Research Council of Thailand
Sirichai Chupraphawan,Sirichai Chuprophawan. 1993. Designing spatial information system to facilitate agricultural land evaluation in Chiang Mai province. Graduate School, Chiang Mai University;
Sirichai Chupraphawan,Sirichai Chuprophawan. (1993) Designing spatial information system to facilitate agricultural land evaluation in Chiang Mai province . Chiang Mai University/Chiang Mai.
Sirichai Chupraphawan,Sirichai Chuprophawan. Designing spatial information system to facilitate agricultural land evaluation in Chiang Mai province. . Chiang Mai:Chiang Mai University, 1993.
Sirichai Chupraphawan,Sirichai Chuprophawan. (1993) Designing spatial information system to facilitate agricultural land evaluation in Chiang Mai province . Chiang Mai University/Chiang Mai.