Panut Tavilsup และ Wanchalerm Pora. (2012) Development of phasor measurement unit conformed to IEEE C37.118 standard. Chulalongkorn University:ม.ป.ท.Panut Tavilsup และ Wanchalerm Pora. 2012. Development of phasor measurement unit conformed to IEEE C37.118 standard. ม.ป.ท.:Chulalongkorn University;Panut Tavilsup และ Wanchalerm Pora. Development of phasor measurement unit conformed to IEEE C37.118 standard. ม.ป.ท.:Chulalongkorn University, 2012. Print.