00400nam a2200145 a 450000500170000000800410001705000220005810000220008024500520010225000120015430000210016665000280018770000190021570000200023420140310183257.0041109s19uu    xx            00    eng d  aP 91.3b.R83 2000  aRubin, Rebecca B.  aCommunication research strategies and sources/.  a5th ed.  a317 p. :b24 cm.  aCommunication research.  aRubin, Alan M.  aPiele, Linda J.