00553nam a2200193Ia 450000100060000000300050000600500170001100800410002801000210006904000180009005000160010808200080012410000300013224500460016226000640020830000190027249000360029165000320032720717BIBL20180417022325.0721219s1962 dcu 00000 eng  a 62018264 /L/r90 aDLCcDLCdDLC00aLA222b.D6200a37310aDouglass, Harl Roy2Local10aTrends and issues in secondary education.0 aWashingtonbCenter for Applied Research in Educationc1962. a109 p.c24 cm.0 aThe Library of education2Local 0aEducation, Secondary2Local