00606nam a22001817a 4500 163209 163209 dpl 20190403122405.0 190403b ||||| |||| 00| 0 eng d 817000263X 450.00 B-031886 DPL HN 0 020 sehgal, R.L. Guide to Library and Information Science: Part III (library organisation & administration) Part IV ( Reference Services & Information sources) R.L. Sehgal new delhi Ess Ess publications 109P: 23cms ddc HN 020 सहग 0 0 ddc 0 0 NFIC BL4 BL4 2019-04-03 BPPD/PUB 450.00 0 020 सहग B-031886 2019-04-03 00:00:00 450.00 2019-04-03 HN