Watcharapong Khaodee และผู้แต่งคนอื่นๆ. (2005) Catalytic performance of zirconia and mixed oxide zirconia catalysts in isobutene synthesis from synthesis gas. Chulalongkorn University:ม.ป.ท.Watcharapong Khaodee และผู้แต่งคนอื่นๆ. 2005. Catalytic performance of zirconia and mixed oxide zirconia catalysts in isobutene synthesis from synthesis gas. ม.ป.ท.:Chulalongkorn University;Watcharapong Khaodee และผู้แต่งคนอื่นๆ. Catalytic performance of zirconia and mixed oxide zirconia catalysts in isobutene synthesis from synthesis gas. ม.ป.ท.:Chulalongkorn University, 2005. Print.