1
Published 1984]
...APA 682...

Report Number(s): APA 682

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2
by Ashton, Bill,
Published [1984]
...APA 2506...

Report Number(s): APA 2506

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3
Published [1981]
...APA 3296...

Report Number(s): APA 3296

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4
Published [1984]
...APA 475...

Report Number(s): APA 475 SUS 273

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5
by Ashton, Bill,
Published [1985]
...APA 2719...

Report Number(s): APA 2719 SUS 517

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