000 00306 a2200145 4500
020 _a8171303005
041 _aMAL
084 _2Colon Classification
_aO32,31NVKx
100 _aV K N
245 _aPayyan Kathakal
250 _a19
260 _bSPCS
_c2021
_akottayam
300 _a618p.
942 _cGEN
999 _c616700
_d616700