na INLIS000000000001445 ind 978-979-756-621-0 0010-1123000543 316.776 ZUH p 316.776 ZUH p Zuhri, Saifuddin Public Speaking Saifuddin Zuhri Ed. 1, Cet. 1 Yogyakarta Graha Ilmu 2010 viii, 92 p.: 23 cm Komunikasi