na INLIS000000000015053 20260130114638 0010-0522000471 260130 g 0 ind 9789792958393 659.2 659.2 GAS p Public Relations Yogyakarta : Andi, 2016 vi+215 halaman ; 24 cm. Public Relations Bibliografi : 187-192 Gassing, Syarifuddin S. 069554 067314 067315 069553 069552