000 00330nam a2200121Ia 4500
008 240830s9999 xx 000 0 und d
100 _a2021 Reg
245 0 _aEngineering Chemistry
260 _bAnna University
_c2023 Nov-Dec
650 _aCY3151
856 _uhttp://library.psgitech.ac.in/Question_Bank/QB1508.pdf
942 _cQB
999 _c29322
_d29322