The agricultural development of arid and semi-arid regions,
Leppan, Hubert Dudley
The agricultural development of arid and semi-arid regions, with special reference to South Africa by H.D. Leppan - [Pretoria] South Africa Central News Agency 1928 - 280 p. maps. 22 cm.
Arid regions agriculture.
631.1 L 598 A
The agricultural development of arid and semi-arid regions, with special reference to South Africa by H.D. Leppan - [Pretoria] South Africa Central News Agency 1928 - 280 p. maps. 22 cm.
Arid regions agriculture.
631.1 L 598 A