1
3
Published [1984]
...APA 1666...

Report Number(s): APA 1666

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4
Published [1981]
...APA 402...

Report Number(s): APA 402

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5
by Steigers, William D.
Published [1984]
...APA 1698...

Report Number(s): APA 1698

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6
by Gipson, Philip S.
Published [1982]
...APA 395...

Report Number(s): APA 395 APA 1319 SUS 52

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