Krit Lertjiamratn และ Joongjai Panpranot. (2009) Effect of water pretreatment on alumina-based catalysts in methanol dehydration. Chulalongkorn University:ม.ป.ท.Krit Lertjiamratn และ Joongjai Panpranot. 2009. Effect of water pretreatment on alumina-based catalysts in methanol dehydration. ม.ป.ท.:Chulalongkorn University;Krit Lertjiamratn และ Joongjai Panpranot. Effect of water pretreatment on alumina-based catalysts in methanol dehydration. ม.ป.ท.:Chulalongkorn University, 2009. Print.