Yazar

Geert Diemer

6 cilt bulundu.

Cilt sonuçları

226 sayfa · 1987

Agriculture / Economic conditions / Halpulaar (African people) / Irrigation / Social aspects

Geert Diemer · Lit Verlag

Sayfa sayısı yok · 1999

Technology, social aspects

128 sayfa · 1996

Water-supply, agricultural

Geert Diemer · Centre d'études africaines

181 sayfa · 1987

Agriculture / Economic conditions / Halpulaar (African people) / Irrigation / Social aspects

307 sayfa · 1992

Irrigation engineering / Drainage

275 sayfa · 1990

Irrigation / Irrigation engineering