Supervision in secondary schools

Opis bibliograficzny
1. autor:	Douglass, Harl Roy 1892-
Kolejni autorzy:	Boardman, Charles Willis 1885-
Format:	Książka
Język:	English
Wydane:	Boston, New York [etc.] Houghton Mifflin company [c1934].
Seria:	Half-title: Riverside textbooks in education, ed. by E. P. Cubberley
Hasła przedmiotowe:	School superintendents and principals. High schools. School management and organization. Education, Secondary. Teaching.