Jakrapan Janlamool และ Bunjerd Jongsomjit. (2009) Carbon dioxide hydrogenation over titania-silica composites supported cobalt and nickel catalysts. Chulalongkorn University:ม.ป.ท.Jakrapan Janlamool และ Bunjerd Jongsomjit. 2009. Carbon dioxide hydrogenation over titania-silica composites supported cobalt and nickel catalysts. ม.ป.ท.:Chulalongkorn University;Jakrapan Janlamool และ Bunjerd Jongsomjit. Carbon dioxide hydrogenation over titania-silica composites supported cobalt and nickel catalysts. ม.ป.ท.:Chulalongkorn University, 2009. Print.