Supattra Um-Kerd และ Patompong Saguanwong. (2010) A financial cost-benefit analysis of joint investment of biogas systems for electricity generation :|ba case study of small and medium scale swine farm Thasadet sub-district municipality, Muang district, Suphanburi province. Mahidol University:ม.ป.ท.Supattra Um-Kerd และ Patompong Saguanwong. 2010. A financial cost-benefit analysis of joint investment of biogas systems for electricity generation :|ba case study of small and medium scale swine farm Thasadet sub-district municipality, Muang district, Suphanburi province. ม.ป.ท.:Mahidol University;Supattra Um-Kerd และ Patompong Saguanwong. A financial cost-benefit analysis of joint investment of biogas systems for electricity generation :|ba case study of small and medium scale swine farm Thasadet sub-district municipality, Muang district, Suphanburi province. ม.ป.ท.:Mahidol University, 2010. Print.