Nghiêm Ngọc Hoa, Nguyễn Hà Trung, and Lê Huy Hoàng. “Research on the Stability of Concentration and Biological Activity of Preparation Including Bacillus Subtilis, Quercetin under Experimental Conditions”. Journal of Military Science and Technology, no. FEE, Dec. 2023, pp. 264-70, doi:10.54939/1859-1043.j.mst.FEE.2023.264-270.