| Original language | English |
|---|---|
| Title of host publication | Encyclopedia of educational research |
| Publisher | American Educational Research Association |
| Edition | 5th |
| State | Published - 1982 |
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Research output: Chapter in Book/Report/Conference proceeding › Chapter
| Original language | English |
|---|---|
| Title of host publication | Encyclopedia of educational research |
| Publisher | American Educational Research Association |
| Edition | 5th |
| State | Published - 1982 |