000 00253nam a2200097Ia 4500
008 230421s9999 xx 000 0 eng d
100 _aGupta (YK) Avam Sharma Sandeep
245 0 _aShiksha Main Sankhyaki
260 _bShiksha Prakashan
942 _2ddc
_cBED
999 _c20922
_d20922