The Development and validation of home-based instructional materials for visually impaired and orthopedically handicapped learners.
| مؤلف مشترك: | |
|---|---|
| التنسيق: | كتاب |
| اللغة: | English |
| منشور في: |
[Manila]
Program for Decentralized Educational Development
[1987n].
|
| سلاسل: | Monograph series
no.8 |
| الموضوعات: |