Onchuda Thooptompong. (2001) The application of social marketing approach to rational self-medication campaign planning in Nakhonnayok province. Mahidol University,:ม.ป.ท.Onchuda Thooptompong. 2001. The application of social marketing approach to rational self-medication campaign planning in Nakhonnayok province. ม.ป.ท.:Mahidol University,;Onchuda Thooptompong. The application of social marketing approach to rational self-medication campaign planning in Nakhonnayok province. ม.ป.ท.:Mahidol University, 2001. Print.