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Farming systems in the Nigerian savanna : research and strategies for development : pbk

Farming systems in the Nigerian savanna : research and strategies for development : pbk
Paper図書
David W. Norman, Emmy B. Simmons, and Henry M. HaysWestview Press1982
Other Libraries in Japan
  • Author HeadingNorman, David W. Simmons, Emmy Bartz Hays, Hen...

Farming systems research : a critical appraisal

Farming systems research : a critical appraisal
Paper図書
by Elon H. Gilbert, David W. Norman, Fred E. WinchDept. of Agricultural Economics, Michigan State University1980
Other Libraries in Japan
  • Author HeadingGilbert, Elon H. (Elon Hamilton) Norman, David W. Winch, Fred E. (Fred Everett)

Some problems in the implementation of agricultural research projects with a farming systems perspective (Networking paper no.3)

Some problems in the implementation of agricultural research projects with a farming systems perspective (Networking paper no.3)
Paper図書
by David W. NormanFarming Systems Support Projectn.d.
Other Libraries in Japan
  • Author HeadingNorman, David W.

Economic analysis of agricultural production and labour utilization among the Hausa in the North of Nigeria

Economic analysis of agricultural production and labour utilization among the Hausa in the North of Nigeria
Paper図書
D.W. Norman ; [prepared for, Agency for International Development]Reproduced by National Technical Information Service, U.S. Dept. of Commerce[19--]
Other Libraries in Japan
  • Author HeadingNorman, David W. United States. Agency for Int...

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