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020 _a978070693764 3 (pbk)
020 _a9780706986426 (pbk)
040 _aDLC
_bENG
_dRGU
082 _219
_a025.52
_bKUM-R
100 _aKumar, Kirshan
_925079
245 _aReference service/
_cBy Krishan Kumar
250 _a5th Rev. Ed.
260 _aNew Delhi
260 _bVikas Publishing House
260 _c1987
_cFirst reprint [2020]
300 _ax, 446 pages, 21 cm.
650 _aReference services (Libraries)
_aInformation services
_925080
651 _aIndia
_925081
942 _2ddc
_cBK