Khatoon, Hajra.2009-03-232009-03-2319711971Source: Dissertation Abstracts International, Volume: 62-13, Section: A.http://hdl.handle.net/10393/7270http://dx.doi.org/10.20381/ruor-11694Engineering, General.R factors of enteric bacteria with special reference to the Rfi- factors isolated from Salmonella.Thesis