na INLIS000000000000470 20210430103348 210430||||||||| | ||| |||| || | 010-0421000470 id 031.338 031.338 KOG p KOGAN, Irving Smith Public Relations: modern business Cet. 2 New York Alexander Hamilton Institute 1973 xv, 327 hlm.; ill.: 22 cm. KOMUNIKASI -- ENSIKLOPEDI