Enlace original:
https://wedocs.unep.org//handle/20.500.11822/27972
United Nations Environment Programme
,
International Council of Scientific Unions
,
[The Utility Of The Nigerian Peasant Farmer's Knowledge In The Monitoring Of Agricultural Resources - MARC Report Number 4]
,
The Utility Of The Nigerian Peasant Farmer's Knowledge In The Monitoring Of Agricultural Resources - MARC Report Number 4