عرض مفصل للنتائج
ISN :
83200
المؤلف :
Seegers, S.
تاريخ :
1990
العنوان :
The training and visit system and the links betwen rice research and extension in the matara district of Sri Lanka
ملخص :
/Sri Lanka/ /transfert technologique/ /recherche agronomique/ /institution de recherche/
