000 00256nam a2200097Ia 4500
008 230421s9999 xx 000 0 eng d
100 _aArora (Reeta) & Marwah
245 0 _aShiksha Manovigyan Avam Sankhyaki
260 _bShiksha Prakashan
942 _2ddc
_cBED
999 _c20899
_d20899