National sustainable development strategies and other comprehensive environment and development strategies. A guide to implementing Agenda 21 through : conservation strategies, environmental action plans, green plans, strategies for sustainable developmen 1993
Ngorongoro Conservation Area : aerial survey of livestock and wildlife, 23-25 October 1987 : preliminary results of SRF survey 1988 Perkin, Scott | Campbell, Kenneth L. |
Ngorongoro Conservation and Development Project : 1987 dry season sample ground census : preliminary report 1988 Perkin, Scott |
Report in fulfilment of contract for support to the Botswana national conservation strategy - phase II 1988 Cobham, Ralph O. |
Javan rhinoceros, Rhinoceros sondaicus, population viability analysis and recommendations 1989 Ballou, J. D. | Foose, Thomas J. | Lacy, R. C. | Seal, Ulysses S. |
Marine turtles in Baluchistan : report on an aerial survey, 9-11 September 1988 with notes on wetland sites and a proposed marine turtle conservation project 1989 Groombridge, Brian |