000 00353nam a2200145Ia 4500
005 20260205102518.0
008 260111s9999||||xx |||||||||||||| ||und||
082 _a500 P970S
100 _aPunjab Shiksha Vibhag
245 0 _aSadharan Vigyan(H )
260 _aPunjab
_bDeputy Controller
_c1968
300 _a304p.
690 _aScience
942 _cBK
999 _c246756
_d246756