000 00330nam a2200121Ia 4500
008 230821s9999 xx 000 0 und d
100 _a2021 Reg
245 0 _aConcrete Technology
260 _bAnna University
_c2023 April-May
650 _aCE3403
856 _uhttp://library.psgitech.ac.in/Question_Bank/QB1214.pdf
942 _cQB
999 _c28349
_d28349