Cooperation in the african region on technologies and standards for local building materials
United Nations Centre for Human Settlements (Habitat)
Cooperation in the african region on technologies and standards for local building materials - - Nairobi 1990 - 35 p. - .
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92-1-131104-7 , ,
Cooperation in the african region on technologies and standards for local building materials - - Nairobi 1990 - 35 p. - .
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92-1-131104-7 , ,