1
Published [1982]

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

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5
Published [1985]

Report Number(s): APA 2653

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6
Published [1981]

Report Number(s): APA 1356

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7
Published [1981]

Report Number(s): APA 1357

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8
Published [1982]

Report Number(s): APA 1359

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9
Published [1982]

Report Number(s): APA 1358

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10
13
Published [1982]

Report Number(s): APA 1372

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14
Published [1982]

Report Number(s): APA 1371

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15
Published [1982]

Report Number(s): APA 1373

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16
Published [1984]

Report Number(s): APA 1459

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17
Published [1984]

Report Number(s): APA 1921

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18
19
20
Published [1985]

Report Number(s): APA 1697

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