21
by Ryan, P. M.,
Published 1980.

Report Number(s): SUS 109

Link to full text
29
Published [1982?]

Report Number(s): APA 55

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30
31
Published [1985]

Report Number(s): APA 2950d SUS 591

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32
Published [1982]

Report Number(s): APA 3015

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38
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