✦ LIBER ✦
Self-direction and programed instruction for five different types of learning objectives
✍ Scribed by Vincent N. Campbell
- Publisher
- John Wiley and Sons
- Year
- 1964
- Tongue
- English
- Weight
- 951 KB
- Volume
- 1
- Category
- Article
- ISSN
- 0033-3085
No coin nor oath required. For personal study only.