00455nam a22001217a 4500008004100000040005500041080002700096245009200123260007100215300001600286650001400302653001700316230410b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  a339(047.1)(541.2) bK2  aTechno-economic survey of West Bengalc/ National Council of Applied Economic Research   aNew Delhi: bNational Council of Applied Economic Research, c1962  axii, 284p.   aEconomic   aWest-Bengal