000 00360 a2200133 4500
020 _a9789387698765 (hb)
082 _a027 BLA/Dig
100 _aBalasubramanian, P
_eAuthor
245 _aDigital libraries
260 _aNew delhi:
_bEss Ess Publications,
_c2021.
300 _a211p.;
_c22 x 15 cm.
500 _aInclude references
650 _aWeb technology
999 _c138278
_d138278