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<xml><bibliography><APA>Regina Kulugomba และ Sahataya Thongsan. (2014) The influence of particel size and total solid on biogas production. Naresuan University:ม.ป.ท.</APA><Chicago>Regina Kulugomba และ Sahataya Thongsan. 2014. The influence of particel size and total solid on biogas production. ม.ป.ท.:Naresuan University;</Chicago><MLA>Regina Kulugomba และ Sahataya Thongsan.  The influence of particel size and total solid on biogas production.  ม.ป.ท.:Naresuan University, 2014. Print.</MLA></bibliography></xml>
