Soil conservation and management in developing countries : report of an expert consultation held in Rome, 22-26 November 1976.
Soil conservation.
Soil biology and conservation of the biosphere vol. 1.
Soil biology and conservation of the biosphere vol. 2.
Trademarks in developing countries /
Soil conservation in large-scale land use. : Proceedings. International conference, May 12-15, 1999 Bratislava. /
Proceedings of the 9th International Symposium on Soil Biology and Conservation of the Biosphere. Vol. 2 /
Proceedings of the 9th International Symposium on Soil Biology and Conservation of the Biosphere. Vol. 1. /
Ethnocultural Development of African Countries /
Building materials in developing countries /
Local government in developing countries /
Water desalination in developing countries.
Soil conservation in large-scale land use. Abstracts. : International conference, Bratislava, 12.-15.5.1999. /
Contemporary Development of the Arab Countries.
Economicś of Developing Countries - 1.
Management of gypsiferous soils. : Soil resources, management and conservation service FAO land and water development division.
Biodiversity and conservation /
Environmental conservation /
Conservation in practice /
A Manual of dermatology for developing countries /
Soil conservation for developing countries /