Chattrachai Intatha. 1995. Production of biogas by a two-phase anaerobic digestion from pineapple wastes. Bangkok:Mahidol University;
Chattrachai Intatha. (1995) Production of biogas by a two-phase anaerobic digestion from pineapple wastes (รายงานผลงานวิจัย). Mahidol University:Bangkok.
Chattrachai Intatha. Production of biogas by a two-phase anaerobic digestion from pineapple wastes. Bangkok:Mahidol University, 1995.
Chattrachai Intatha. (1995) Production of biogas by a two-phase anaerobic digestion from pineapple wastes (รายงานผลงานวิจัย). Mahidol University:Bangkok.