TY - BOOK AU - DuFour,Richard AU - Eaker,Robert TI - Professional learning communities at work: best practices for enhancing student achievement SN - 1-87963-960-2 PY - 1998/// CY - Alexandria, Virginia PB - National Educational Service KW - Lernmethoden KW - Reform KW - Veränderung KW - Lerngemeinschaft ER -