Orawan Chitvanich. (1991) Application of stress relaxation to herbal tablet formulation. Mahidol University,:ม.ป.ท.Orawan Chitvanich. 1991. Application of stress relaxation to herbal tablet formulation. ม.ป.ท.:Mahidol University,;Orawan Chitvanich. Application of stress relaxation to herbal tablet formulation. ม.ป.ท.:Mahidol University, 1991. Print.