Oaks, L. Robert Communication by objective : how non-profit organizations can build better internal and public relations / L. Robert Oaks - South Plainfield, New Jersey : Groupwork Today, 1977 - 181 p. : ill. ; 24 cm. Includes index ISBN: 091606803X LCCN: 76-027996 Subjects--Topical Terms: CommunicationPublic relations