723
725
726
Published 1980]

Report Number(s): APA 1509

Link to full text
728
Published 1981]

Report Number(s): APA 111

Link to full text
730
732
736
Published [1984]

Report Number(s): APA 1986 SUS 434

Link to full text
737
Published [1981]

Report Number(s): APA 533

Link to full text
738
739
740