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3
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The training and visit system and the links between rice research and extension in the Matara District of Sri Lanka / by Stephan Seegers.
- International service for national agricultural research (ISNAR),
- 1990.
- The Hague :
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Methods for diagnosing research system constraints and assessing the impact of agricultural research : proceedings / ed. by Ruben G. Echeverr?a.
- International Service for National Agricultural Research,
- 1990.
- The Hague :
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European and Arab integration in mutual perspective : the Mediterranean: a challenge for Euro-Arab cooperation / Lutfia Rabbani foundation ; speeches by Hans van den Broek...[et al.].
- Lutfia Rabbani foundation,
- 1990.
- The Hague :