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2
Published [1982]

Report Number(s): APA 5 APA 287 APA 1340 APA 1582 SUS 79

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6
Published [1985]

Report Number(s): APA 2653

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7
Published [1981]

Report Number(s): APA 1356

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Published [1981]

Report Number(s): APA 1357

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Published [1982]

Report Number(s): APA 1359

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Published [1982]

Report Number(s): APA 1358

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14
Published [1982]

Report Number(s): APA 1372

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15
Published [1982]

Report Number(s): APA 1371

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Published [1982]

Report Number(s): APA 1373

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Published [1984]

Report Number(s): APA 1459

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Published [1984]

Report Number(s): APA 1921

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