1. Lactic acid bacteria and human clinical infection;Aguirre;J. Appl. Bacteriol.,1993
2. Phosphatase activity in anaerobic bioreactors for wastewater treatment;Anupama;Water Res.,2008
3. APHA (2012). Standard methods for the examination of water and wastewater (22nd ed.). American Public Health Association, American Water Works Association, Water Environment Federation, Washington.
4. Azman, S. (2016). Anaerobic digestion of cellulose and hemicellulose in the presence of humic acids. Retrieved from https://library.wur.nl/WebQuery/wurpubs/510581.
5. Extracellular enzymatic activity of two hydrolases in wastewater treatment for biological nutrient removal;Berrio-Restrepo;Appl. Microbiol. Biotechnol.,2017