000 | 00431 a2200145 4500 | ||
---|---|---|---|
020 | _a9788194739807 (hb) | ||
082 | _a020.72 BAL/Tex | ||
100 |
_aBalasubramanian, P _eAuthor |
||
245 | _aA textbook of user studies and informatrics | ||
260 |
_aNew delhi: _bEss Ess Publications, _c2021. |
||
300 |
_a268p.; _c23 x 15 cm. |
||
650 | _ainformetrics | ||
700 |
_aViji, P _eAuthor |
||
700 |
_aKumar, E santhana _eAuthor |
||
999 |
_c138258 _d138258 |