Napaporn Thavanapong. 2006. The essential oil from peel and flower of Citrus maxima. Field of Study Pharmacognosy, Silpakorn University;
Napaporn Thavanapong. (2006) The essential oil from peel and flower of Citrus maxima . Silpakorn University/Bangkok.
Napaporn Thavanapong. The essential oil from peel and flower of Citrus maxima. . Bangkok:Silpakorn University, 2006.
Napaporn Thavanapong. (2006) The essential oil from peel and flower of Citrus maxima . Silpakorn University/Bangkok.