This field guide on disease epidemiology and appropriate control measures will allow research scientists and extension staff in Eritrea to address imminent disease problems and provide advice to farmers.
အဓိက အရင်းအမြစ်1976-01-01 This Peace Corps book provides information on the challenges of grain storage including drying methods, insects, rodents, moisture meters, and waterproofing. No page numbers, illustrated 2 copies