Kullapat Theera-angkananon และ Pattarasinee Bhattarakosol. (2010) Applying virus technology in audio protection mechanism. Chulalongkorn University:ม.ป.ท.Kullapat Theera-angkananon และ Pattarasinee Bhattarakosol. 2010. Applying virus technology in audio protection mechanism. ม.ป.ท.:Chulalongkorn University;Kullapat Theera-angkananon และ Pattarasinee Bhattarakosol. Applying virus technology in audio protection mechanism. ม.ป.ท.:Chulalongkorn University, 2010. Print.