RecordDetails
[S.l. : s.n.], 1991.
2 portfolio's 31 cm.


Seminar on low external input sustainable agriculture "What can be learned from the Dutch experience?", [12 April 1991, Amsterdam / prep. committee Coen van Beuningen...et al.].
[S.l. : s.n.], 1991.
Sustainable agriculture Agricultural policy Agricultural development Food production Nongovernmental organizations Fao Conferences
2 portfolio's 31 cm.