61
62
64
67
Published [1981]

Report Number(s): APA 387 SUS 3

Link to full text
68
69
Published [1982]

Report Number(s): APA 102 APA 1383

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70
Published [1982]

Report Number(s): APA 42 APA 451

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72
Published 1980?]

Report Number(s): APA 392

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73
76
Published [1980]

Report Number(s): APA 2349

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