000 00265nam a2200109Ia 4500
008 190129s9999 xx 000 0 und d
100 _aKumar (Rajendra)
245 0 _aHuman Computer Interaction
250 _a2nd
260 _bLuxmi Pub.
_c2016
_aNew Delhi
942 _cBK
999 _c9231
_d9231