000 00278nam a2200109Ia 4500
008 170707s9999 xx 000 0 und d
050 _a370.72 M575i
100 _a"Mertler, Graig A."
245 0 _aIntroduction to educational research
260 _c2005
942 _2lcc
_cBK
_kCirc.
999 _c13620
_d13620