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Sittidet Hiranamorrakul. (1999) Seismic prospecting at Ban Klang Amphoe San Pa Tong Changwat Chiang Mai . Chiang Mai University/Chiang Mai.
Sittidet Hiranamorrakul. Seismic prospecting at Ban Klang Amphoe San Pa Tong Changwat Chiang Mai. . Chiang Mai:Chiang Mai University, 1999.
Sittidet Hiranamorrakul. (1999) Seismic prospecting at Ban Klang Amphoe San Pa Tong Changwat Chiang Mai . Chiang Mai University/Chiang Mai.