00554nam a2200193Ia 4500 84848 BIBL 20160527203643.0 730309s1973 maua b 00100 eng 72086606 EVLG 372.13 B649o Blitz, Barbara. 202773 Local The open classroom making it work by Barbara Blitz. Boston Allyn and Bacon [1973] viii, 262 p. illus. Includes bibliographical references. Open plan schools 145193 Local 68842 68842 0 0 0 372_130000000000000_B649O 0 evl 364991 10 10 1 2016-05-27 135286 0 372.13 B649o 80000000570203 2016-05-27 00:00:00 r:84848 z:NCC:D 6