000
00252nam a2200109Ia 4500
008
160921s9999 xx 000 0 und d
100
_a
MANGAL S.K, MANGAL
245
_a
TEACHING OF SOCIAL STUDIES
260
_b
PHI
_c
2008
300
_a
456
942
_c
BK
999
_c
32634
_d
32634