000 00258nam a22000977a 4500
999 _c9517
_d9517
020 _aISSN : 2581 9771
100 _aParveen Sharma
_910264
245 _aJournal Of Recent Activities In Production
260 _aGhaziabad
_bMat Journals
_c2021
942 _cJOURNALS
_s1