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Tanning of hides and skins
1982
Persistent link: https://www.econbiz.de/10003290477
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Small-scale brickmaking
1984
Persistent link: https://www.econbiz.de/10003213261
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Small-scale oil extraction from groundnuts and copra
1984 - (UNIDO ed.)
Persistent link: https://www.econbiz.de/10003213472