Nuttha Thongchul. 2009. L(+)-Lactic acid fermentation from cassava pulp by Rhizopus oryzae. Bangkok:Chulalongkorn University;
Nuttha Thongchul. (2009) L(+)-Lactic acid fermentation from cassava pulp by Rhizopus oryzae (รายงานผลงานวิจัย). Chulalongkorn University:Bangkok.
Nuttha Thongchul. L(+)-Lactic acid fermentation from cassava pulp by Rhizopus oryzae. Bangkok:Chulalongkorn University, 2009.
Nuttha Thongchul. (2009) L(+)-Lactic acid fermentation from cassava pulp by Rhizopus oryzae (รายงานผลงานวิจัย). Chulalongkorn University:Bangkok.