00711 am a2200193 a 4500001001400000003000400014008004100018020002800059050002800087100002000115245015200135260004100287300001800328650004700346650003800393650004200431700002100473700002300494vtls000080261MTX100724 2010    caua          000   eng    a9781412972710 /c990.0000aLB2822.82bH811 G8 20101 aHord, Shirley M10aGuiding professional learning communities :binspiration, challenge, surprise, and meaning /cShirley M. Hord, James L. Roussin, William A. Sommers  aThousand Oaks :bCorwin Press,c2010  a225 p. :bill 0aSchool improvement programszUnited States 0aEducational changezUnited States 0aEducational leadershipzUnited States1 aRoussin, James L1 aSommers, William A