Instructional systems
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Palo Alto, Calif.,
Fearon Publishers
c1968
|
| Pynciau: | |
| Classic Catalogue: | View this record in Classic Catalogue |
| Disgrifiad Corfforoll: | iv, 106 p. illus. 22 cm. |
|---|---|
| Llyfryddiaeth: | Includes Bibliography (p. 92-106.) |