25 1 50 J. Winston Crowley Additional Author Charles E. Miller Additional Author mixed material Reston publishing 1983 Edward J Coburn Additional Author mixed material Delmar Pub 1986 a structured approacs Berry Marming Additional Author mixed material Random House 1984 Gerry C. Manning Additional Author mixed material Random House 1984 Gary S. Popkin Additional Author mixed material Kent Pub. 1986 Robert C. Nickerson Additional Author mixed material Little Brown 1984 a structured approach Neil Craham Additional Author mixed material West Pub. 1979 Neil Graham Additional Author mixed material West Pub. 1979 Ray Martin Richards Additional Author mixed material S R A Inc. 1987 Geneva G Belford Additional Author C L Liu Additional Author mixed material Mc Graw Hill 1984 James F. Peters Additional Author mixed material Holt Rinehart and Wiston 1986 Wahyu C. Wibowo Additional Author mixed material Elex Media Komputindo 1991 Edward L. Lamie Additional Author mixed material Wadsworth 1982 Philip L Meller Additional Author Lee W Meller Additional Author mixed material Wadsworth 1987 Lawrence S.Orilia Additional Author mixed material International studen ed. 1985 Lawrence S.Orilia Additional Author mixed material McGraw Hill 1985 Lawrence S Orllia Additional Author mixed material McGraw Hill 1985 Harry A Moriber Additional Author mixed material Charles E Merrill 1984 a step by step aproach Charles R. Litecky Additional Author Gordon Bitter Davis Additional Author mixed material McGraw Hill 1987 J Patrick Fenton Additional Author Brian K Williams Additional Author mixed material Mosby College Pub. 1988 Nancy Stern Additional Author Robert A. Stern Additional Author mixed material John Wiley 1970 Robert T Graner Additional Author mixed material Prentice Hall 1983 Robert T Grauer Additional Author mixed material Prentice Hall 1983 Lawrence J.Mazlack Additional Author mixed material Hort Rinehart and winston 1983 Keith LaBudde Additional Author mixed material McGraw Hill 1987