Selection and use of programmed materials a handbook for teachers.

Sonraí bibleagrafaíochta
Údar corparáideach:	National Education Association of the United States. Division of Audio-Visual Instructional Service
Formáid:	LEABHAR
Teanga:	English
Foilsithe / Cruthaithe:	[Washington s. n. c1964].
Ábhair:	Programmed instruction.