1223
1224
1225
1229
1231
Published [1984]

Report Number(s): APA 1199 SUS 283

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1233
Published [1985]

Report Number(s): APA 2565

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1234
Published [1984]

Report Number(s): APA 2565 (draft)

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1235
1236
1237
Published [1980]

Report Number(s): APA 512

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