Selection and use of programmed materials a handbook for teachers.

Selection and use of programmed materials a handbook for teachers.

Xehetasun bibliografikoak
Erakunde egilea: National Education Association of the United States. Division of Audio-Visual Instructional Service
Formatua: Liburua
Hizkuntza:English
Argitaratua: [Washington s. n. c1964].
Gaiak:
Programmed instruction.