42
Published [1982]

Report Number(s): APA 227 APA 370 APA 1297 SUS 51

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43
44
Published [1983]

Report Number(s): SUS 237

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45
46
Published [1983]

Report Number(s): APA 467

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47
49
50
51
Published [1985]

Report Number(s): APA 2969

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52
Published [1985]

Report Number(s): APA 2931

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53
57
Published 1976.

Report Number(s): APA 769

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58