00886nam a2200253Ia 4500 133217 BIBL 20160527192440.0 930601s1993 vaua b 000 0 eng d 0882102796 (OCoLC)28188467 DSC DSC XBM PUXA LB1038 .W56 1993 371.242 WILL Williamson, Ronald. Local 189434 Scheduling the middle level school to meet early adolescent needs by Ronald Williamson. Reston, Va. National Association of Secondary School Principals c1993. v, 57 p. ill. 26 cm. Includes bibliographical references. Schedules , School Local 165895 Middle Schools United States. Local 136204 National Association of Secondary School Principals U.S. Local 141099 112564 112564 0 0 0 0 evl 176727 10 10 1 2016-05-27 202280 0 80000001580870 2016-05-27 00:00:00 r:133217 z:NCC:D 6