Title:Experimental and quasi-experimental designs for research / by] Donald T. Campbell [and] Julian C. Stanley. Author:CAMPBELL, Donald T.-Donald Thomas-1916-1996. Other authors:Stanley, Julian C.--joint author. Publication information:Houghton Mifflin Company Physical description:v, 84 p. : illus. ; 24 cm. Call number: 300.184 CAM Access from: Main Library(at National Institute for Legislative and Democratic Studies (NILDS) eLibrary) Items: National Institute for Legislative and Democratic Studies (NILDS) eLibrary 9374 (9374) located at stacks