Douglas, J. E. (1980). Successful seed programs: A planning and management guide. Westview Press.
Chicago Edition CitationDouglas, Johnson E. Successful Seed Programs: A Planning and Management Guide. Boulder, Colo.: Westview Press, 1980.
Cita MLADouglas, Johnson E. Successful Seed Programs: A Planning and Management Guide. Westview Press, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.