000 00258nam a2200097Ia 4500
008 230421s9999 xx 000 0 eng d
100 _aSidana (Ashok) Mahrotra (P.N.)
245 0 _aSamajeek Aadhyayan Shikshan
260 _bShiksha Prakashan
942 _2ddc
_cBED
999 _c21793
_d21793