Public relations /
Jefkins, Frank.
Public relations / Frank Jefkins. - 5th ed. - London : Prentice Hall, c1998. - 293 p.
071211713x
Public relations.
Public relations / Frank Jefkins. - 5th ed. - London : Prentice Hall, c1998. - 293 p.
071211713x
Public relations.