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| 999 |
_c20427 _d20427 |
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| 005 | 20240814135658.0 | ||
| 008 | 240814b ||||| |||| 00| 0 eng d | ||
| 040 | _c0 | ||
| 082 | _aDPer 507 J826 September 2019 - June 2020 v.49 n. 1-5 | ||
| 100 |
_aBrown, Michael. _eauthor. _957659 |
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| 245 |
_aWho gets helped? The opportunity structure of the college physics classroom, peer instruction, and perceptions of help seeking / _cMichael Brown and Robert M. DeMonbrun |
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| 260 |
_aArlington USA; _bNational Science Teaching Association, _cNovember/December 2019. |
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| 300 |
_avolume 49, pages 36-44, _billustration. |
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| 700 |
_aBrown, Michael. _eauthor. _957659 |
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| 700 |
_aDeMonbrun, Robert M. _eauthor. _957660 |
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| 942 |
_2ddc _cPER |
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