1
Published [1982]

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

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2
5
Published [1982]

Report Number(s): APA 227 APA 370 APA 1297 SUS 51

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6
7
9
Published [1981]

Report Number(s): APA 227 APA 360 APA 361

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10
Published 1976.

Report Number(s): APA 769

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11
12
Published [1982?]

Report Number(s): APA 138 SUS 71

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13
14
15
16
Published [1984]

Report Number(s): APA 1109

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17
18
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20
Published [1984]

Report Number(s): APA 1113

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