Fertilizer and seeds demand in Kenya from 1982/83 to 1990/91George M. Ruigu · First published 1986Open the Tome
Integration of nutrition into agricultural and rural development projectsGeorge M. Ruigu · First published 1986Open the Tome
Approaches to rural-urban developmentHugh E. Evans, George M. Ruigu · First published 1985Open the Tome
