Programmed learning aid for social problems coordinating Roger H. Hermanson.
| मुख्य लेखक: | |
|---|---|
| स्वरूप: | पुस्तक |
| भाषा: | अंग्रेज़ी |
| प्रकाशित: |
Homewood, Ill.
Learning Systems Co.
c1975.
|
| श्रृंखला: | Irwin programmed learning aid series
|
| विषय: |