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Fertilizer industry development : lecture on 14th August 1974 : 12th international summer course on industrialization, The Hague, The Netherlands / by J.G. de Geus.
- Koninklijk instituut voor de tropen. Department of agricultural research,
- 1974.
- Amsterdam :
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Tropical timber, a promising raw material for export diversification and establishment of processing industries : lecture on August 8, 1974, 12th International summer course on industrialization, The Hague / by J.T. Wassink.
- Royal tropical institute. Department of agricultural research,
- 1974.
- Amsterdam :
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Pesticides and post-harvest control : lecture on 9th August 1974, 12th International summer course on industrialization, The Hague / by G.G.M. Schulten.
- Koninklijk instituut voor de tropen. Afdeling agrarisch onderzoek,
- 1974.
- Amsterdam :