TY  - BOOK
AU  -   P Balasubramanian ,
AU  - P Viji
AU  -  E Santhana Kumar 
TI  - Textbook of User Studies and Informetrics
SN  - 9788194739807
U1  - 025.58 
PY  - 2021///
CY  - NewDelhi
PB  -  Ess Ess Publication 
KW  - Informetrics
ER  -