Bilaketaren emaitzak - "\"\\"(water OR walter) ((conservation\\" OR consultation\\") OR construction\\")\""

Soil management for the conservation of soil nitrogen / nork Saito, Masanori

Gaiak: “...Soil conservation....”

Soil conservation and sustainable land use : an economic approach / nork Graaff, J. de

Gaiak:

Farming systems development and soil conservation / nork Norman, David

Gaiak: “...Soil conservation....”

Energy conservation in buildings, December 1980

Gaiak: “...Buildings Energy conservation...”

Traditional conservation in Papua New Guinea : implications for today /

Gaiak: “...Conservation of natural resources Papua New Guinea....”

The Biological aspects of rare plant conservation

Gaiak:

Energy conservation in buildings and industrial plants nork Meckler, Milton

Gaiak: “...Buildings Energy conservation...”

Conservation and the changing direction of economic growth [papers]

Gaiak:

Domestication, conservation, and use of animal resources

Encyclopedia of American forest and conservation history /

Gaiak:

Ecology and conservation in Papua New Guinea : a symposium held at the Wau Ecology Institute on 4th November 1975 /

Gaiak: “...Conservation of natural resources Papua New Guinea....”

An energy conservation in buildings programme for PNG / nork Wheeler, Tone

Gaiak: “...Buildings Papua New Guinea Energy conservation....”

Proceedings of the Workshop on the Genetic Conservation of Rice /

A Systems approach to conservation tillage /

Gaiak: “...Conservation tillage....”

Incentives for community involvement in conservation programmes / nork Camino Velozo, Ronnie de

Gaiak: “...Conservation of natural resources...”

A conservation framework for development assistance / nork Brown, Bill

Gaiak: “...Conservation of natural resources Developing countries...”

Workshop on conservation of traditional values in building / nork Weeks, David

Gaiak: “...Architecture Conservation and restoration....”

Workshop on conservation of traditional values in building : an insider's view / nork Tzilu, Bernard

Gaiak: “...Architecture Conservation and restoration....”

Conserving and preserving materials in nonbook formats /

Gaiak:

Energy II use conservation and supply