1
Published [1981]
“...APA 10...”Report Number(s): APA 10 APA 84 APA 297 APA 1327 SUS 56
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2
Published [1982]
“...APA 5...”Report Number(s): APA 5 APA 287 APA 1340 APA 1582 SUS 79
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Published [1985]
“...APA 2921 (draft)...”Report Number(s): APA 2921 (draft) SUS 513
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