Guidelines for economic appraisal of watershed management projects: FAO Conservation Guide No.16
Gregersen, H.M.
Guidelines for economic appraisal of watershed management projects: FAO Conservation Guide No.16 - Rome, Food and Agriculture Organization, 1987, - 145p. 28cm.
Guidelines for economic appraisal of watershed management projects: FAO Conservation Guide No.16 - Rome, Food and Agriculture Organization, 1987, - 145p. 28cm.
