Report Number(s): APA 2922 SUS 565
Link to full textReport Number(s): APA 1666
Link to full textReport Number(s): APA 2374
Link to full textReport Number(s): APA 3417
Link to full textReport Number(s): APA 2921 SUS 564
Link to full textReport Number(s): APA 2466 SUS 422
Link to full textReport Number(s): APA 402
Link to full textReport Number(s): APA 393
Link to full textReport Number(s): APA 420
Link to full textReport Number(s): APA 229 APA 308
Link to full textPublished [1981]
Report Number(s): APA 396 APA 1317
Link to full textReport Number(s): APA 302 APA 1303 SUS 74
Link to full textReport Number(s): APA 3414
Link to full textReport Number(s): APA 7 APA 1510 SUS 60
Link to full textReport Number(s): APA 421 APA 1321 SUS 55
Link to full textReport Number(s): APA 8 APA 296 APA 1324
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