Pattamon Sangin และ Mingkwan Mingmuang. (2010) Phylogenetic analysis of cycad and sex indentification in cycas using molecular markers. Kasetsart University,:ม.ป.ท.Pattamon Sangin และ Mingkwan Mingmuang. 2010. Phylogenetic analysis of cycad and sex indentification in cycas using molecular markers. ม.ป.ท.:Kasetsart University,;Pattamon Sangin และ Mingkwan Mingmuang. Phylogenetic analysis of cycad and sex indentification in cycas using molecular markers. ม.ป.ท.:Kasetsart University, 2010. Print.