42
Published 1980?]

Report Number(s): APA 392

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43
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Published [1985]

Report Number(s): APA 2828 SUS 542

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49
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Published [1984]

Report Number(s): APA 1199 SUS 283

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60
by Gipson, Philip S.
Published [1982]

Report Number(s): APA 395 APA 1319 SUS 52

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