00326nam a2200121Ia 450000500170000000800410001708200150005810000290007324500500010225000110015226000270016330000140019020260205101230.0260111s9999||||xx |||||||||||||| ||und||  a378.1  LAU  aLaufgraben , Jodi Levine 0aSustaining and improving learning communities  a1st ed  aUSAbJossey Bassc2004  a186 pages