Mahfuzah Masalaeh. 2008. Catalytic cracking of polypropylene and polyethylene using zirconium/aluminium oxide-pillared clay /Mahfuzah Masalaeh. Faculty of Science, Chulalongkorn University;
Mahfuzah Masalaeh. (2008) Catalytic cracking of polypropylene and polyethylene using zirconium/aluminium oxide-pillared clay /Mahfuzah Masalaeh . Chulalongkorn University/Bangkok.
Mahfuzah Masalaeh. Catalytic cracking of polypropylene and polyethylene using zirconium/aluminium oxide-pillared clay /Mahfuzah Masalaeh. . Bangkok:Chulalongkorn University, 2008.
Mahfuzah Masalaeh. (2008) Catalytic cracking of polypropylene and polyethylene using zirconium/aluminium oxide-pillared clay /Mahfuzah Masalaeh . Chulalongkorn University/Bangkok.