00591nam a22002057a 4500 0 0 ddc HB 0 0 SGGSCC SGGSCC 2022-09-29 Rachna Book Centre 24/08/22 1863 1800.00 0 020 R2 52841 2022-09-29 00:00:00 2022-09-29 BK 58056 58056 OSt 20220929104700.0 220929b ||||| |||| 00| 0 eng d 978-93-92594-50-2 sggscc sggscc 020 R2 020 R2 Singh, Gurdev User Studies A Tool for Measuring Library Performance Singh, Gurdev New Delhi Ess Ess Publications 2022 316p. Library Science ddc BK