00498nam a2200193Ia 45000010006000000050017000060070003000230080041000260400025000670410008000920820016001001000022001162450066001382500013002042600043002173000018002606530015002786530011002934232020240114003459.0ta080616s1972           g     b000 u 465 u  aCotton College,Assam  a465  a310bD 26 P  aDas, Bangsidhar . 0aParichay Bigyan Part- I /cBangsidhar Das.hTextual Documents  aIst ed /  aGauhati :bGauhati University ,c1972.  a146p ;c21cm.  aStatistics  aG- T/G