42
Published [1982]

Report Number(s): APA 421 APA 1321 SUS 55

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43
by Helm, Dot.
Published [1985]

Report Number(s): APA 2932

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44
Published [1980?]

Report Number(s): APA 1320 SUS 335

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46
47
49
50
51
Published [1982]

Report Number(s): APA 1255 APA 1256 APA 1434 SUS 40

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58
Published 1952-1965.

Report Number(s): APA 4109

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60
by Jennings, Timothy R.,
Published [1985]

Report Number(s): APA 2744 SUS 522

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