Khwunta Vanitcho และ Nuanphun Chantarasiri. (2008) Synthesis of coplyureas and polyurethane-ureas containing zinc and nickel dimethoxysaltrien complexes. Chulalongkorn University:ม.ป.ท.Khwunta Vanitcho และ Nuanphun Chantarasiri. 2008. Synthesis of coplyureas and polyurethane-ureas containing zinc and nickel dimethoxysaltrien complexes. ม.ป.ท.:Chulalongkorn University;Khwunta Vanitcho และ Nuanphun Chantarasiri. Synthesis of coplyureas and polyurethane-ureas containing zinc and nickel dimethoxysaltrien complexes. ม.ป.ท.:Chulalongkorn University, 2008. Print.