000 00300nam a2200109Ia 4500
008 170711s9999 xx 000 0 und d
050 _a370.15 S393m
100 _a"Schunk, Dale H."
245 0 _a"Motivation in education: theory, research and applications"
260 _c2008
942 _2lcc
_cBK
_kCirc.
999 _c19939
_d19939