By Ettinger, J. E.. England : Pergamon Infotech, 1985 . xiii, 396 p. : 22 cm.. 0080286097
]]>England.: Pergamon Infotech Limited, 1981 . iv,407p 30cm. 0080285562
]]>Place Hold on Analysis within the systems development life-cycle /
]]>Place Hold on CONVERGENCE:computers, communucations, and office automation
]]>