Kamonwan Kingputtapong และ Soamwadee Chaianannsutcharit. (2008) Synthesis of zeolite beta/A1-HMS composite for cracking of lubricant oil, grease and polypropylene /. Chulalongkorn University,:ม.ป.ท.Kamonwan Kingputtapong และ Soamwadee Chaianannsutcharit. 2008. Synthesis of zeolite beta/A1-HMS composite for cracking of lubricant oil, grease and polypropylene /. ม.ป.ท.:Chulalongkorn University,;Kamonwan Kingputtapong และ Soamwadee Chaianannsutcharit. Synthesis of zeolite beta/A1-HMS composite for cracking of lubricant oil, grease and polypropylene /. ม.ป.ท.:Chulalongkorn University, 2008. Print.