TY  - BOOK
AU  - Singh, Gurdev
TI  - User Studies : A Tool for Measuring Library Performance
SN  - 978-93-92594-50-2
AV  - 020 R2 
U1  - 020 R2 
PY  - 2022///
CY  - New Delhi
PB  - Ess Ess Publications
KW  - Library Science
ER  -