Development of social competence and incompetence-chapter for Prevention of Retarded Development in Psychosocially Disadvantaged Children

Development of social competence and incompetence-chapter for Prevention of Retarded Development in Psychosocially Disadvantaged Children, Box: 1, Folder: 20. Personal Papers of Richard Schiefelbusch, PP 458. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/266088 Accessed December 25, 2025.