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- Cotula, Lorenzo
- Food and Agriculture Organization
- Fraser, David
- Koohafkan, P.
- Leopold, M;
- Pretty, Jules N.
- Proceedings of a research co-ordination meeting and panel on tracer techniques in studies on the use of non-protein nitrogen (NPN) in ruminants : (
- United Nations
- United Nations/FAO Committee on Food Aid Policies and Programmes
- Vidar, Margaret
- [Joint] FAO/WHO Food Standard Programme
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