3831
3835
Published [1981]

Report Number(s): APA 25 APA 447 SUS 9

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3836
3837
3838
Published [1982]

Report Number(s): APA 38 APA 438

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3839
Published [1982]

Report Number(s): APA 42 APA 451

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3840
Published [1981]

Report Number(s): APA 461 SUS 17

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