Natchamon Watcharakul และผู้แต่งคนอื่นๆ. (2009) Silica reinforcement of methyl methacrylate grafted natural rubber by sol-gel process. Chulalongkorn University:ม.ป.ท.Natchamon Watcharakul และผู้แต่งคนอื่นๆ. 2009. Silica reinforcement of methyl methacrylate grafted natural rubber by sol-gel process. ม.ป.ท.:Chulalongkorn University;Natchamon Watcharakul และผู้แต่งคนอื่นๆ. Silica reinforcement of methyl methacrylate grafted natural rubber by sol-gel process. ม.ป.ท.:Chulalongkorn University, 2009. Print.