39 1 50 Mervin L. Keedy Additional Author Marvin L. Bittinger Additional Author mixed material Addison Wesley 1986 Mervin L. Keedy Additional Author Marvin L. Bittinger Additional Author mixed material Addision Wesley 1983 Marvin Keedy Additional Author Marvin L. Bittinger Additional Author mixed material Addison Wesley 1986 Kenneth J. Travers Additional Author Le Roy C. Dalton Additional Author mixed material Macmillan Pub 1990 Gary L. Peterson Additional Author mixed material Wadsworth Pub 1985 J.E. Kaufmann Additional Author mixed material PWS - Kent 1989 Mary P. Dolciani Additional Author William Wooton Additional Author mixed material Houghton Mifflin 1980 Snader Additional Author mixed material (sn) (Sa) Mary P. Dolciani Additional Author mixed material Hougton Nifflen 1979 Mary P. Dolciani Additional Author mixed material Houghton Nifflen 1979 Hadley Additional Author Naipos Pas Additional Author mixed material Erlangga 1983 Alfonse Gobran Additional Author mixed material Prindle,Weber & Schmidt 1983 Gordon Fuiler Additional Author Walter L. Wilson Additional Author mixed material Wordsworth 1982 Richard N. Aufmann Additional Author Vernon C. Barker Additional Author mixed material Boston 1990 Jose Barnos-Netto Additional Author mixed material West Publishing 1985 Paul K. Rees Additional Author Fred W. Sparks Additional Author mixed material McGraw Hill 1991 Martha M. Wood Additional Author Peggy Capell Additional Author mixed material (sn) 1980 Daniel L. Auvil Additional Author Charles Poluga Additional Author mixed material Addision Wesley 1985 C.L.Liu Additional Author mixed material Mc Graw Hill 1985 Evelyn D. Bell Additional Author Viggo P. Hansen Additional Author mixed material John Wiley & Sons 1987 Earl W. Swokowski Additional Author mixed material Prindle Weber & Schmidt 1981 Robert G. Steni Additional Author mixed material Nelson Hall 1986 Alden T Wilis Additional Author Carol L Johnston Additional Author mixed material Wadsworth 1981 a straighiforward approach Martin M Zuckerman Additional Author mixed material John Wiley & Sons 1982 Jerome E. Kaufmann Additional Author mixed material PWS 1983 Jerome E. Kaufman Additional Author mixed material PWS 1983 Jerome E. Kaufman Additional Author mixed material PWS 1983 Daniel L. Alvie Additional Author mixed material Addison Wesley 1979 G. Hadley Additional Author mixed material Addison Wesley 1980 Madhujit Mukhopadhay Additional Author mixed material IBH Pub. (Sa) Suryadi H.S. Additional Author mixed material Gunadarma 1995 Frankin Demana Additional Author Bert K. Waits Additional Author mixed material Addision Wesley 1990 Bernett Rich Additional Author mixed material McGraw Hill 1973 Barnett Rich Additional Author mixed material McGraw Hill 1973 Soeparmo Additional Author mixed material Rosda Jayaputra 1992 Judith H. Beecher Additional Author Keedy Bittinger Additional Author mixed material Addision Wesley 1983 Daniel L. Auvil Additional Author mixed material Addision Wesley Pub. 1979 Judith H. Beecher Additional Author Keedy Bittinger Additional Author mixed material Addison Wesley 1983 Gene R. Sellers Additional Author mixed material Charles E. Merrill 1979