Wimolsri Duangthong. 2009. Comparing biogas utilization between generating electricity and upgrading for use as vehicle fuel. Faculty of Environment and Resource Studies, Mahidol University;
Wimolsri Duangthong. (2009) Comparing biogas utilization between generating electricity and upgrading for use as vehicle fuel . Mahidol University/Bangkok.
Wimolsri Duangthong. Comparing biogas utilization between generating electricity and upgrading for use as vehicle fuel. . Bangkok:Mahidol University, 2009.
Wimolsri Duangthong. (2009) Comparing biogas utilization between generating electricity and upgrading for use as vehicle fuel . Mahidol University/Bangkok.