00327nam a22001217a 4500 SY 610 S.N.H. PUTT veterinary epidemiology and economics in africa- manual for use in the desihn and appraisal of livestock health policy RUA PUTT 1988 94p. EK 9620 9620 0 0 0 610_000000000000000_PUT_1988_C238 0 51686 LBC LBC C238 2016-09-06 610 PUT 1988 C238 RUA045461 2016-09-06 EK