61
63
Published [1980]

Report Number(s): APA 2349

Link to full text
64
67
69
Published [1981]

Report Number(s): APA 345

Link to full text
70
71
72
Published [1984]

Report Number(s): APA 1199 SUS 283

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74
75
76
78
Published [1981]

Report Number(s): APA 533

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79
80