Supawin Watcharamul. 1996. Biogas production from paper waste by thermophilic bacterial coculture. Bangkok:Chulalongkorn University;
Supawin Watcharamul. (1996) Biogas production from paper waste by thermophilic bacterial coculture (รายงานผลงานวิจัย). Chulalongkorn University:Bangkok.
Supawin Watcharamul. Biogas production from paper waste by thermophilic bacterial coculture. Bangkok:Chulalongkorn University, 1996.
Supawin Watcharamul. (1996) Biogas production from paper waste by thermophilic bacterial coculture (รายงานผลงานวิจัย). Chulalongkorn University:Bangkok.