©2013 National Research Council of Thailand
Suwith Kosuwan. 1996. Geology of the Khanom gneissic complexes, Amphoe Khanom, Changwat Nakhon Si Thammarat. Bangkok:Chulalongkorn University;
Suwith Kosuwan. (1996) Geology of the Khanom gneissic complexes, Amphoe Khanom, Changwat Nakhon Si Thammarat (รายงานผลงานวิจัย). Chulalongkorn University:Bangkok.
Suwith Kosuwan. Geology of the Khanom gneissic complexes, Amphoe Khanom, Changwat Nakhon Si Thammarat. Bangkok:Chulalongkorn University, 1996.
Suwith Kosuwan. (1996) Geology of the Khanom gneissic complexes, Amphoe Khanom, Changwat Nakhon Si Thammarat (รายงานผลงานวิจัย). Chulalongkorn University:Bangkok.