©2013 National Research Council of Thailand
Prapaipim Hanmungthum. 2002. Electronic spectra of sapphires. Field of Study Inorganic Chemistry, Kasetsart University;
Prapaipim Hanmungthum. (2002) Electronic spectra of sapphires . Kasetsart University/Bangkok.
Prapaipim Hanmungthum. Electronic spectra of sapphires. . Bangkok:Kasetsart University, 2002.
Prapaipim Hanmungthum. (2002) Electronic spectra of sapphires . Kasetsart University/Bangkok.