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The impact of agricultural research in tropical Africa : a study of the collaboration between the international and national research systems

The impact of agricultural research in tropical Africa : a study of the collaboration between the international and national research systems
Paper図書
Hans E. Jahnke, Dieter Kirschke, and Johannes Lagemann ; in collaboration with K.J. Billing ... [et al.]World Bankc1987
Other Libraries in Japan
  • Author HeadingJahnke, Hans E. Kirschke, Dieter Lagemann, Johannes Billing, K. J.

Sistemas de finca en Acosta-Puriscal Costa Rica

Sistemas de finca en Acosta-Puriscal Costa Rica
Paper図書
H. von Platen, G. Rodriguez P. y J. LagemannCATIE1982
Other Libraries in Japan
  • Author Heading...ríguez, P., G. Lagemann, Johannes Centro Agronómico Tropical de...

Traditional African farming systems in eastern Nigeria : an analysis of reaction to increasing population pressure

Traditional African farming systems in eastern Nigeria : an analysis of reaction to increasing population pressure
Paper図書
von Johannes LagemannWeltforum Verlag1977
Other Libraries in Japan
  • Author HeadingLagemann, Johannes Ifo-Institut für Wirtschaftsf...

Traditional African farming systems in eastern Nigeria : an analysis of reaction to increasing population pressure / von Johannes Lagemann. (Afrika-Studien ; Nr. 98)

Traditional African farming systems in eastern Nigeria : an analysis of reaction to increasing population pressure / von Johannes Lagemann. (Afrika-Studien ; Nr. 98)
Paper図書
Weltforum Verlag1977.<DM65-53>
National Diet Library
  • Author HeadingLagemann, Johannes, 1948- Afrika-Studienstelle (...

The impact of agricultural research in tropical Africa (CGIAR study paper)

The impact of agricultural research in tropical Africa (CGIAR study paper)
Paper図書
Hans E. JahnkeWorld Bankc1987
Other Libraries in Japan
  • Author HeadingJahnke, Hans E. Kirschke, Dieter, 1952- Lagemann, Johannes, 1948- Billing, K. J.

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