©2013 National Research Council of Thailand
Wickanet Songtham. 2003. Stratigraphic correlation of tertiary basins in northern Thailand using algae pollen and spore. Field of Study Geology, Chiang Mai University;
Wickanet Songtham. (2003) Stratigraphic correlation of tertiary basins in northern Thailand using algae pollen and spore . Chiang Mai University/Chiang Mai.
Wickanet Songtham. Stratigraphic correlation of tertiary basins in northern Thailand using algae pollen and spore. . Chiang Mai:Chiang Mai University, 2003.
Wickanet Songtham. (2003) Stratigraphic correlation of tertiary basins in northern Thailand using algae pollen and spore . Chiang Mai University/Chiang Mai.