Farmer-led extension: concept and practices Farmer-led extension: concept and practices

by 116707 Scarborough, V., 83031 Killough, S., 81339 Johnson, D.A., 66547 Farrington, J. eds., 12739 International Institute of Rural Reconstruction, Silang (Filipinas), 15709 Overseas Development Institute, Londres (RU)
Published 1997