Enos, Richard Leo. Oral and written communication : historical approaches / edited by Richard Leo Enosw. - London : Sage Publications , 1990. - 264p : tables,charts,plates ; 24cm . - Written communication annual, V.4 ; . - Written communication annual, V.4 ; . NULL ISBN: 0803931077 Rs. 1630.00 Subjects--Index Terms: COMMUNICATION Dewey Class. No.: 302.224 / ENO/O