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Surake Kongjai. (2002) Structure and metamorphism of the Ob Luang gneiss and cover rocks Amphoe Hot Changwat Chiang Mai . Chiang Mai University/Chiang Mai.
Surake Kongjai. Structure and metamorphism of the Ob Luang gneiss and cover rocks Amphoe Hot Changwat Chiang Mai. . Chiang Mai:Chiang Mai University, 2002.
Surake Kongjai. (2002) Structure and metamorphism of the Ob Luang gneiss and cover rocks Amphoe Hot Changwat Chiang Mai . Chiang Mai University/Chiang Mai.