عرض مفصل للنتائج
ISN :
83061
المؤلف :
SADCC (LS)
تاريخ :
1986
العنوان :
Cost-benefit analysis of soil and water conservation projects. Report from a seminar held in Meseru april 21-25, 1986
ملخص :
/Document de réunion/ concern. l'analyse des projets de /conservation des eaux/ et de /conservation des sols/
