000 00664nam a2200253Ia 4500
001 16635
005 20240113235722.0
007 ta
008 051220s1930 a g b000 u 465 u
040 _aCotton College,Assam
041 _a465
082 _a514
_bD 933 K
100 _aDurell, C.V. .
245 0 _aKey to Advanced Trigonometry /
_cC.V.Durell & A.Robson.
_hTextual Documents
250 _a1st ed. /
260 _aLondon :
_bG Bell & Sons ,
_c1930.
300 _a380p. :
_bill ;
_c18cm .
653 _aTrigonometry
653 _aG-Mathematics
700 _aRobson, A. .
942 _2ddc
_cBK
999 _c16617
_d16617