00441nam a2200109Ia 4500008004100000100002500041245013500066260006400201500003300265546001200298700002100310220512s9999    xx            000 0 eng d  aK  Sivasubramaniyan  0aFarm Level Land and Water Productivity in Tank Irrigation : Some Methodological Issues /cK  Sivasubramaniyan and R  Sakthivadivel  aChennai :bMadras Institute of Development Studies,cSep-05  aWorking paper Series No  194  aEnglish  aR  Sakthivadivel