IUCN programme 1991-1993 as approved by the 18th session of the IUCN General Assembly (Perth, Australia, 28 November - 5 December 1990) 1991
Human aspects of conservation : programming workshop for a social sciences programme in southern Africa : protocol and documentation 1991
Forest resources conservation subprogramme, phase II : 1991-95. Interim report for the period mid-1991 to mid-1992 1992 Salter, Richard E. (Richard Edward) |