00623nam a22001577a 4500008004100000020001800041050002500059100002700084245012900111260005900240300002200299521005100321650003300372650004100405700001900446170124b        xxu||||| |||| 00| 0 eng d  a9781879639607  aLB 2822.82 .D84 1998  aDuFour, Richard.d1998  aProfessional learning communities at work:bBest practices for enhancing student achievement/cRichard DuFour, Robert Eaker.  aUSA:bNational educational service Bloomington,c1998.  axx, 338p.:c23cm.  aIncludes bibliographical references and index.  aSchool improvement programs.  aTeam learning approach in education.  aEaker, Robert.