Berrigan, Frances J. A manual on mass media in population and development / Frances J. Berrigan. - Paris : Unesco, c 1977. - 106 p. ; 24 cm. - Population communication manuals ; . 337 337 ISBN: 92-3-101439-0 Subjects--Topical Terms: Mass media. Dewey Class. No.: 301.3202 / U3m