000 00401nam a22001577a 4500
020 _a9788194739807
082 _a025.58
_bBAL.T
100 _a P Balasubramanian ,
100 _aP Viji
100 _a E Santhana Kumar
245 _aTextbook of User Studies and Informetrics
260 _aNewDelhi
_b Ess Ess Publication
_c2021
300 _a279 pages
650 _aInformetrics
942 _cBK
999 _c640512
_d640512