000 00269nam a2200109Ia 4500
008 161118s2016 xx 000 0 und d
100 _aShah, harry
245 0 _a30 Ways to Introve Your Grades.
260 _bMcGrew Hill Book Co.
_c1976
300 _a139 p
942 _2ddc
999 _c15365
_d15365