Essentials of production and farm management economicsVictor F. Amann · First published 1975Open the Tome
Agricultural employment and labour migration in East AfricaVictor F. Amann · First published 1974Open the Tome
Project appraisal and evaluation in agriculturePhilip Lawrence Raikes, Victor F. Amann · First published 1974Open the Tome
Nutrition and food in an African economyVictor F. Amann, Belshaw, D. G. R. · First published 1972Open the Tome
