Huynh Viet Quoc และ Boonchai Techaumnat. (2010) Study of electric field at A Zero-Angle contact Point Between Three Dielectrics /. Chulalongkorn University,:ม.ป.ท.Huynh Viet Quoc และ Boonchai Techaumnat. 2010. Study of electric field at A Zero-Angle contact Point Between Three Dielectrics /. ม.ป.ท.:Chulalongkorn University,;Huynh Viet Quoc และ Boonchai Techaumnat. Study of electric field at A Zero-Angle contact Point Between Three Dielectrics /. ม.ป.ท.:Chulalongkorn University, 2010. Print.