4
Published [1981]

Report Number(s): APA 346 APA 347 APA 349 APA 350 SUS 104

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5
6
9
Published [1983]

Report Number(s): APA 519 SUS 165

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10
12
by Ballard, Warren B.
Published [1980]

Report Number(s): APA 524 APA 947

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