00607nam a2200217 a 450000100060000000300080000600500170001400800410003102000150007203500190008704000260010604100080013208200250014010000180016524500630018326000370024630000270028350400400031065000250035070000140037555234BD-RjUL20211209080233.0161115s2002    ii ||||| |||| 00| 0 eng d  a8170352819  a(BD-RjUL)55356  aBD-RjULbengcBD-RjUL  aeng  223a639.31bKHP 20021 aKhanna, D. R.10aPond fish ecology and economics /cDev Raj Khanna, S Singh  aDelhi : bDaya Pub. House,c2002  a86 p. :bill. ;c24 cm  aIncludes Bibliographical References  aFish ponds z India   aSingh, S.