Jefkins Frank.
Public Relations - 4th ed. - London Pitman 1994 - 340 p.
0712117091
”PUBLIC RELATIONS”
HD59 / J47P 1994
Public Relations - 4th ed. - London Pitman 1994 - 340 p.
0712117091
”PUBLIC RELATIONS”
HD59 / J47P 1994
