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SAFGRAD - I.I.T.A ANNUAL REPORT 1984
(OAU/STRC - SAFGRAD, 1985-05)
FARMING SYSTEMS RESEARCH PROGRAMME, INTERIM REPORT 1986
(OAU/STRC - SAFGRAD, 1986-08)
SAFGRAD - I.I.T.A ANNUAL REPORT 1985
(AU-SAFGRAD-IITA, 1986-08)