Unchalee Thuambangphai และ Puttaruksa Varanusupakul. (2010) Preparation of aminopropyl functionalized silica fiber for adsorption of formaldehyde in water. Chulalongkorn University:ม.ป.ท.Unchalee Thuambangphai และ Puttaruksa Varanusupakul. 2010. Preparation of aminopropyl functionalized silica fiber for adsorption of formaldehyde in water. ม.ป.ท.:Chulalongkorn University;Unchalee Thuambangphai และ Puttaruksa Varanusupakul. Preparation of aminopropyl functionalized silica fiber for adsorption of formaldehyde in water. ม.ป.ท.:Chulalongkorn University, 2010. Print.