00546nam a2200121Ia 4500008004100000040001700041082002500058110004200083245016100125260004000286300001400326650008400340190328s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta338.528bW576O  aWest Bengal. State Statistical Bureau 3aAn Outline of the methodology of the construction and maintenance of cost of living index numbers of the State Statistical Bureau, Government of West Bengal  aWest BengalbGovernment Pressc1956  aii, 112p.  aIndex numbers (Economics)-India-West Bengal; Price regualtion-India-West Bengal