. T. N. T. Dang, T. X. M. Nguyen, and T. H. G. Tran, “Isolation and characterization of nitrogen removal bacteria from sewage and fecal sludge of dairy cow farms in Cu Chi, Ho Chi Minh City, Vietnam”, GSC Biol. Pharm. Sci., vol. 8, no. 3, pp. 042–052, Sep. 2019.