Principles and practices of teaching in secondary schools.

Xehetasun bibliografikoak
Egile nagusia:	Risk, Thomas Marion 1885-
Formatua:	Liburua
Hizkuntza:	English
Argitaratua:	New York American Book [c1958]
Edizioa:	3d ed.
Gaiak:	Education > Experimental method. Education, Secondary. Educational psychology.