Change principles of problem formation and problem resolution
| Main Author: | |
|---|---|
| Other Authors: | , | 
| Format: | Book | 
| Language: | English | 
| Published: | 
        New York
          W.W. Norton
    
        c1974.
     | 
| Subjects: | 
| Main Author: | |
|---|---|
| Other Authors: | , | 
| Format: | Book | 
| Language: | English | 
| Published: | 
        New York
          W.W. Norton
    
        c1974.
     | 
| Subjects: |