na INLIS000000000010386 20230919023105 0010-0418000002 230919 0 ind 979-421-966-5 302.072 302.072 Rus m Ruslan, Rosady Metode Penelitian Public Relations dan Komunikasi / Rosady Ruslan Ed. 1 Jakarta : Rajawali Press, 2017. xxiv, 312 hlm, ; 21 cm. Public relations 1800552 1800553