Sarawut Saranunthaworawong และ Suphot Phatanasri. (2009) Synthesis of dimethyl ether from methanol on H-ZSM-5 catalyst. Chulalongkorn University:ม.ป.ท.Sarawut Saranunthaworawong และ Suphot Phatanasri. 2009. Synthesis of dimethyl ether from methanol on H-ZSM-5 catalyst. ม.ป.ท.:Chulalongkorn University;Sarawut Saranunthaworawong และ Suphot Phatanasri. Synthesis of dimethyl ether from methanol on H-ZSM-5 catalyst. ม.ป.ท.:Chulalongkorn University, 2009. Print.