introduction to mental retardation: a programmed text
By: [by] Walter H. Ehlers, Curtis H. Krishef [and] Jon C. Prothero.
Contributors: Krishef, Curtis H.; Prothero, Jon C.
Publisher: C.E. Merrill
Published: 1973
Place of publication: Columbus, Ohio
Language: eng
Number of pages: 340
Subjects: People with mental disabilities
Notes: "Selected readings": p.330-331.