Anupap Puangsomchit และ Wanchai Pluempanupat. (2014) Searching for a new environmentally-friendly botanical insecticide from the rhizomes of alpinia galanga. Kasetsart University:ม.ป.ท.Anupap Puangsomchit และ Wanchai Pluempanupat. 2014. Searching for a new environmentally-friendly botanical insecticide from the rhizomes of alpinia galanga. ม.ป.ท.:Kasetsart University;Anupap Puangsomchit และ Wanchai Pluempanupat. Searching for a new environmentally-friendly botanical insecticide from the rhizomes of alpinia galanga. ม.ป.ท.:Kasetsart University, 2014. Print.