Pounyaporn Aunsup และ Amornchai Arpornwichanop. (2011) Analysis of biogas reforming and proton electrolyte membrane fuel cell integrated system. Chulalongkorn University:ม.ป.ท.Pounyaporn Aunsup และ Amornchai Arpornwichanop. 2011. Analysis of biogas reforming and proton electrolyte membrane fuel cell integrated system. ม.ป.ท.:Chulalongkorn University;Pounyaporn Aunsup และ Amornchai Arpornwichanop. Analysis of biogas reforming and proton electrolyte membrane fuel cell integrated system. ม.ป.ท.:Chulalongkorn University, 2011. Print.