000 00403nam a2200169Ia 4500
008 140316s9999 xx 000 0 und d
020 _a
082 _a516.242
_bSIR/NC
100 _a
245 _aNCERT trikonamithi
260 _aThiruvananthapuram
_bState institute of languages
_c1988
300 _a272
650 _aMathematics
650 _aTrignometry
700 _aSiraj,M Tr
942 _2ddc
_cBK
999 _c304
_d304