01117nam a2200313 i 450099100079587970753620020507173710.0971117s1994 us ||| | eng 0120958104b10758422-39ule_instLE01302444ExLDip.to Matematicaeng004.019AMS 68U99QA76.9.U83C67Bias, Randolph G.535056Cost-justifying usability /edited by Randolph G. Bias, Deborah J. MayhewBoston :Academic Press,c1994xvii, 334 p. :ill. ;27 cm.Includes bibliographical references and indexUser interfaces (Computer systems)Value analysis (Cost control)Mayhew, Deborah J..b1075842221-09-0628-06-02991000795879707536LE013 68U BIA11 (1994)12013000091723le013-E0.00-l- 00000.i1085328528-06-02Cost-justifying usability922926UNISALENTOle01301-01-97ma -engus 01