000 00290 a2200121 4500
020 _a9789390234172
084 _2Colon Classification
_aO32,3NSA145,V
100 _aSanthosh Avathan
245 _aVallanki
260 _bMathrubhoomi Books
_c2020
_aKozhikode
300 _a78p.
942 _cGEN
999 _c194496
_d194496