81
82
85
Published [1981]

Report Number(s): APA 387 SUS 3

Link to full text
86
Published [1980]

Report Number(s): APA 512

Link to full text
87
88
Published [1982]

Report Number(s): APA 102 APA 1383

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89
Published [1982]

Report Number(s): APA 42 APA 451

Link to full text
92
Published 1980?]

Report Number(s): APA 392

Link to full text
93
96
Published [1980]

Report Number(s): APA 2349

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97