Leon, Alexis creator Leon, Mathews text Chennai Leon Vikas 1999 monographic various pagings : 23cm(pbk) ill. by Alexis Leon [and] Mathews Leon Includes appendix, bibliographical references and index Computer science Fundamentals 004 LEO 08125907904 B-110513 Cen Lib/Ret DPL 20170124110215.0 EN