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e g hallsworth

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Cilt sonuçları

233 sayfa · 1982

Forest management / Forest policy / Congresses / Forests and forestry / Forests and forestry, tropics

176 sayfa · 1987

Soil conservation / Soil erosion / Erosion / Anatomy

E. G. Hallsworth · distributed by ISBS

71 sayfa · 1978

City planning / Congresses

E. G Hallsworth · Yayınevi bilinmiyor

16 sayfa · 1951

Nutrition / Soil

E. G. Hallsworth, James Thorpe Woodcock · Australian Academy of Technological Sciences

404 sayfa · 1979

Land use / Congresses / Water resources development