000 | 00362nam a22001097a 4500 | ||
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999 |
_c37398 _d37398 |
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020 | _a9788194739807 | ||
100 | _aBalasubramanien.P; Viji.P,Santhana. Kumar.E | ||
245 |
_aA textbook of user studies and informetrics _cP.Balasubramanian, and P.Viji,E.Santosh Kumar |
||
260 |
_aNew Delhi: _bEss Publications. _c2021. |
||
300 |
_a268p. _b:ill,maps |
||
942 |
_2ddc _cBK |