000 00302nam a2200097Ia 4500
008 230915s9999 xx 000 0 und d
050 _aLB 2822.82. D84
100 _aRICHARD DuFOUR
245 0 _aPROFESSIONAL LEARNING COMMUNITIES AT WORK : BEST PRACTICES FOR ENHANCING STUDENT ACHIEVEMENT
942 _cBK
999 _c169744
_d169744