00390nam a2200145Ia 4500080000500000100001400005245012800019260002200147300001000169500001500179650001400194650001800208010000900226010000900235  a  aTiffen, M  aGuidelines for the incorporation of health safeguards into irrigation projects through intersectoral cooperation/ M. Tiffen  aRoma:bFAO,c1989  a81 p.  aexemplares  aIrrigacao  aSaude publica  atrue  atrue