1581
Published [1982]

Report Number(s): APA 342 APA 1348 SUS 68

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1582
1583
Published 1980]

Report Number(s): APA 1509

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1589
Published [1984]

Report Number(s): APA 1108

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1590
Published [1984]

Report Number(s): APA 1107

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1591
1594
1595
1596
1597
Published 1981]

Report Number(s): APA 111

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1598
1599
1600