41
Published [1982]
...APA 6...

Report Number(s): APA 6 SUS 44

Link to full text
42
Published [1981]
...APA 1210...

Report Number(s): APA 1210 SUS 80

Link to full text
43
Published [1981]
...APA 1283...

Report Number(s): APA 1283 SUS 85

Link to full text
44
Published [1985]

Report Number(s): SUS 86

Chapter 2.