Democratic supervision in secondary schools /
Douglass, Harl Roy, 1892-
Democratic supervision in secondary schools / by Harl R. Douglass, Rudyard K. Bent and Charles W. Boardman - 2nd ed. - Boston : Houghton Mifflin, 1961 - 354 p. : ill. ; 22 cm.
School supervision, Secondary
Democratic supervision in secondary schools / by Harl R. Douglass, Rudyard K. Bent and Charles W. Boardman - 2nd ed. - Boston : Houghton Mifflin, 1961 - 354 p. : ill. ; 22 cm.
School supervision, Secondary
