SOIL AND WATER CONSERVATION IN SEMI-ARID AREAS
HUDSON, NORMAN W.
SOIL AND WATER CONSERVATION IN SEMI-ARID AREAS - ROME FAO 1987 - 172p.
9251026068
SOIL CONSERVATION
S 623 / .H83 1987
SOIL AND WATER CONSERVATION IN SEMI-ARID AREAS - ROME FAO 1987 - 172p.
9251026068
SOIL CONSERVATION
S 623 / .H83 1987