61
Published [1985]

Report Number(s): APA 2969

Link to full text
62
Published [1981?]

Report Number(s): APA 62 APA 1265

Link to full text
Link to full text
63
Published [1982]

Report Number(s): APA 1373

Link to full text
64
65
66
67
69
70
73
Published [1981]

Report Number(s): APA 387 SUS 3

Link to full text
74
Published [1980]

Report Number(s): APA 512

Link to full text
75
76
Published [1982]

Report Number(s): APA 102 APA 1383

Link to full text
77
Published [1982]

Report Number(s): APA 42 APA 451

Link to full text
80
Published 1980?]

Report Number(s): APA 392

Link to full text