Rungtiwa Chidthong และ Supa Hannongbua. (2007) Theoretical investigation on structural and electronic properties of fluorene-pyridine copolymer. Kasetsart University,:ม.ป.ท.Rungtiwa Chidthong และ Supa Hannongbua. 2007. Theoretical investigation on structural and electronic properties of fluorene-pyridine copolymer. ม.ป.ท.:Kasetsart University,;Rungtiwa Chidthong และ Supa Hannongbua. Theoretical investigation on structural and electronic properties of fluorene-pyridine copolymer. ม.ป.ท.:Kasetsart University, 2007. Print.