Agricultural research in Southern Africa : a framework for action / Andrew Spurling... [et al.]

Agricultural research in Southern Africa : a framework for action / Andrew Spurling... [et al.] . - Washington : World Bank, cop. 1992 . - XV, 61 p., [2] f. mapa color. dobr. 28 cm . - (World Bank discussion papers, Africa Technical Department series; 184.)
0-8213-2282-6 (Brochado)

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