Nantharat Bunnag. 2008. Crystal chemistry of coloration in corundum. Field of Study Geology, Chiang Mai University;
Nantharat Bunnag. (2008) Crystal chemistry of coloration in corundum . Chiang Mai University/Chiang Mai.
Nantharat Bunnag. Crystal chemistry of coloration in corundum. . Chiang Mai:Chiang Mai University, 2008.
Nantharat Bunnag. (2008) Crystal chemistry of coloration in corundum . Chiang Mai University/Chiang Mai.