Winai Sayorwan และผู้แต่งคนอื่นๆ. (2011) Effects of selected volatile oils commonly used in Thailand on physiological activities and emotions. Chulalongkorn University:ม.ป.ท.Winai Sayorwan และผู้แต่งคนอื่นๆ. 2011. Effects of selected volatile oils commonly used in Thailand on physiological activities and emotions. ม.ป.ท.:Chulalongkorn University;Winai Sayorwan และผู้แต่งคนอื่นๆ. Effects of selected volatile oils commonly used in Thailand on physiological activities and emotions. ม.ป.ท.:Chulalongkorn University, 2011. Print.