An assessment of the effectiveness of utilizing three language laboratory systems in developing the skills of listening discrimination and sound production in French and German in the secondary school.
- [Philadelphia], 1971.
v, 135 l. 29 cm.
- Local subjects:
- Penn dissertations -- Education. (search)
Education -- Penn dissertations. (search)
- Thesis (Ed.D. in Education)--Graduate School of Education, University of Pennsylvania, 1971.
Bibliography: l. 131-134.
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