Economics of irrigation development: proceedings
Symposium on Economics of Irrigation Development, University
Economics of irrigation development: proceedings - Botswana Univ. of Reading 1969 - 67p - Development study, no.6 .
AGRICULTURE -- ECONOMIC ASPECTS -- BOTSWANA
AGRICULTURE -- ECONOMIC ASPECTS -- BOTSWANA IRRIGATION -- BOTSWANA
338.22 S99E
Economics of irrigation development: proceedings - Botswana Univ. of Reading 1969 - 67p - Development study, no.6 .
AGRICULTURE -- ECONOMIC ASPECTS -- BOTSWANA
AGRICULTURE -- ECONOMIC ASPECTS -- BOTSWANA IRRIGATION -- BOTSWANA
338.22 S99E