Improved seed production : a manual on the formulation, implementation and evaluation of seed programmes and projects /
[edited by] Walther P. Feistritzer and A. Fenwick Kelly.
- Rome : Food and Agriculture Organization of the United Nations, c1978.
- xv, 146 pages : Illustrations ; 23 cm.
- FAO plant production and protection series ; no. 15 .
- FAO plant production and protection series ; no. 15. .