Leppan, H.D.
The agricultural development of arid and semi-arid regions with special reference to South Africa / H.D. Leppan - Pretoria : SACNA , 1928 - 280p. : ill. ; 23 cm.
Includes bibliographical references and index.
Agriculture
Agricultural development
Arid regions
630.96 / LEP
The agricultural development of arid and semi-arid regions with special reference to South Africa / H.D. Leppan - Pretoria : SACNA , 1928 - 280p. : ill. ; 23 cm.
Includes bibliographical references and index.
Agriculture
Agricultural development
Arid regions
630.96 / LEP