00370nam a22001457a 4500003000400000005001700004008004100021020001500062040000800077050001900085100004200104245003500146250001100181260003200192OSt20180911121914.0180911b        xxu||||| |||| 00| 0 eng d  a0026598892  cn/a  aP95b.C55 1994  aRichard W. Clark & Barbara L. Clinton  aEffective speech communication  a3rd ed  aGlencoebMcGraw Hillsc1994