Chanapatt Pattaramaetakul และ Jeerapat Ngaoprasertwong. (2008) Design supporting system for electrical switchboard manufacturer. Chulalongkorn University:ม.ป.ท.Chanapatt Pattaramaetakul และ Jeerapat Ngaoprasertwong. 2008. Design supporting system for electrical switchboard manufacturer. ม.ป.ท.:Chulalongkorn University;Chanapatt Pattaramaetakul และ Jeerapat Ngaoprasertwong. Design supporting system for electrical switchboard manufacturer. ม.ป.ท.:Chulalongkorn University, 2008. Print.