000 00263nam a2200109Ia 4500
008 180203s9999 xx 000 0 und d
100 _aS K Mangal
245 0 _aDevelopment of Lerner & teaching Learn
260 _bMeerut, I.P.H
_c2012
300 _a192
942 _cBK
999 _c8001
_d8001