00738nam a2200205Ia 4500001000700000003000500007005001700012008004100029020001500070035002000085040001800105100003100123245009300154260007700247300002700324504004100351650003000392650004200422710006800464133217BIBL20160527192440.0930601s1993    vaua     b    000 0 eng d  a0882102796  a(OCoLC)28188467  aDSCcDSCdXBM1 aWilliamson, Ronald.2Local10aScheduling the middle level school to meet early adolescent needscby Ronald Williamson.  aReston, Va.bNational Association of Secondary School Principalscc1993.  av, 57 p.bill.c26 cm.  aIncludes bibliographical references. 0aSchedules , School2Local 0aMiddle SchoolszUnited States.2Local20aNational Association of Secondary School Principals U.S.2Local