International development : political and social realities of development : recognition and response : selections from addresses, papers and roundtables [of] the 13th World Conference of the Society for International Development held in San Josâe, Co sta Rica, February 22-25, 1973
[by] Josâe Figueres ... [et al.] ; ed. by Patricia Blair.
- Washington 1973.
- 128 p. 8A.