000 00305nam a22001337a 4500
999 _c166543
_d166543
020 _a
082 _a
_b
100 _aSugathan D
245 _aNammude niyamangal/
_cby Sugathan D.
260 _aThiruvananthapuram :
_bKerala Bhasha Institute,
_c2013.
300 _a143p.
650 _a
942 _cBK