Soil and water conservation and management : training manual /
Soil and water conservation and management : training manual /
- Los Baños, Laguna : UPLB Agroforestry Program, c1994
- 237p.
971-547-034-3
Fil. (R) 631.4 So34 / 1994
971-547-034-3
Fil. (R) 631.4 So34 / 1994