Principles and practices of teaching in secondary schools.

Manylion Llyfryddiaeth
Prif Awdur:	Risk, Thomas Marion 1885-
Fformat:	Llyfr
Iaith:	Saesneg
Cyhoeddwyd:	New York American Book [c1958]
Rhifyn:	3d ed.
Pynciau:	Education > Experimental method. Education, Secondary. Educational psychology.