Valacich, Joseph S.George, Joey F.Hoffer, Jeffrey A.2018-10-312018-10-3120122012http://196.43.179.3:8080/xmlui/handle/123456789/8271.FOUNDATIONS FOR SYSTEMS DEVELOPMENT; 2. SYSTEMS PLANNING AND SELECTION; 3.SYSTEMS ANALYSIS; 4.SYSTEMS DESIGN; 5.SYSTEMS IMPLEMENTATION AND OPERATIONen-USBook