Kanoksak Luyjew และ Varong Pavarajarn. (2006) Porous silicon nitride synthesis via the carbothermal reduction and nitridation of silica/rf gel composite. Chulalongkorn University:ม.ป.ท.Kanoksak Luyjew และ Varong Pavarajarn. 2006. Porous silicon nitride synthesis via the carbothermal reduction and nitridation of silica/rf gel composite. ม.ป.ท.:Chulalongkorn University;Kanoksak Luyjew และ Varong Pavarajarn. Porous silicon nitride synthesis via the carbothermal reduction and nitridation of silica/rf gel composite. ม.ป.ท.:Chulalongkorn University, 2006. Print.