000 00314nam a2200145Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c350
040 _aET
100 _aS.K MANGAL
245 0 _aTEACHING OF SOCIAL STUDIES
260 _bPHI LEARNING
_aDELHI
300 _a456
500 _a13078
942 _cBK
999 _c19356
_d19356