1
Published 1999
Subjects: ...Agriculture -- Environmental aspects -- Developing countries Congresses...
2
Published 1979
Subjects: ...Collectivization of agriculture -- Congresses...
3
Published 1996
Subjects: ...Agriculture and state -- Australia -- Congresses...
4
Published 2007
Subjects: ...Agriculture -- Economic aspects -- Congresses. -- Asia...
5
Published 1978
Subjects: ...Agricultural pests -- Congresses...