by R.M. Scott ; edited for Kenya government by E. Bellis ; with an appendix A soil survey of the Coffee Research Station, Ruiru, by G.H. Gethin-JonesGovernment of Kenya, Department of Agriculture Kenya1963
全国の図書館
- 著者標目Scott, R. M. Bellis, E. Gethin-Jones, G. H. Government of Kenya. Department of Agriculture