Course construction in industrial arts, vocational and technical education

Manylion Llyfryddiaeth
Prif Awdur:	Giachnio, Joseph William 1906-
Awduron Eraill:	Gallington, Ralph Ora 1908-
Fformat:	Llyfr
Iaith:	Saesneg
Cyhoeddwyd:	Chicago American Technical Society c1977.
Rhifyn:	4th ed.
Pynciau:	Industrial arts > Study and teaching. Vocational education. Technology > Study and teaching.