Economic ivestigation of farming in two extensive cattle-farming regions of the
Oberholzer, S.F.
Economic ivestigation of farming in two extensive cattle-farming regions of the - Pretoria 1957 - 75 p. - No. 350; Union of South Afric .
Economic ivestigation of farming in two extensive cattle-farming regions of the - Pretoria 1957 - 75 p. - No. 350; Union of South Afric .