Benjaporn Muangsombut และ Varong Pavarajarn. (2005) Effects of metal doping and seed introduction on phase transformation of alumina prepared by precipitation method. Chulalongkorn University:ม.ป.ท.Benjaporn Muangsombut และ Varong Pavarajarn. 2005. Effects of metal doping and seed introduction on phase transformation of alumina prepared by precipitation method. ม.ป.ท.:Chulalongkorn University;Benjaporn Muangsombut และ Varong Pavarajarn. Effects of metal doping and seed introduction on phase transformation of alumina prepared by precipitation method. ม.ป.ท.:Chulalongkorn University, 2005. Print.