20928 1094 10 Hasangapan Tambunan Primary Author mixed material Medan Badan Perpustakaan, Arsip, dan Dokumentasi 2013 mixed material Charles A. Young, PhD.,D.,LL.D., Primary Author mixed material Larry Schwelkart Primary Author mixed material 0816021945 New York Facts on File 1989 Kennteth D. Johnson Primary Author David L. Rayle Additional Author Hale L. Wedberg Additional Author mixed material 0805378871 London The Benjamin/Cummings Publishing Company 1983 How to Get out From Behind The Typewriter and Into a Management Job Janet Dight Primary Author mixed material 0070169055 New York McGraw Hill 1986 Belverd E. Needles Primary Author Henry R. Anderson Additional Author James C. Caldwell Additional Author mixed material 0395343291 New Jersey Houghton Mifflin Comany 1984 Belverd E. Needles Primary Author Henry R. Anderson Primary Author James C. Caldwell Primary Author mixed material 0395425611 Houghton Mifflin Company Maurice L. Schwartz Primary Author mixed material 0879332131 United States of America Hutcinson R ublishing Company 1982 Leroy F.Imdieke Primary Author Ralph E. Smith Additional Author mixed material 0471808296 Canada Jhon Wiley & Sons 1987