Teacher effects on class learning : a study of questioning techniques /
        Wedi'i Gadw mewn:
      
    
                  | Prif Awdur: | |
|---|---|
| Awdur Corfforaethol: | |
| Fformat: | Llyfr | 
| Iaith: | English | 
| Cyhoeddwyd: | 
      [Perth, W.A.] :
        
      Western Australian Institute for Educational Research,    
    
      1979.
     | 
| Cyfres: | Issues in educational research ;
              6             | 
| Pynciau: | 
CARM 1 Store
| Rhif Galw: | 
                        A1:AL37F0 B10322                 | 
  
|---|---|
| Copi 1 | Ar gael Gwneud Cais |