TY  - BOOK
AU  - Maley, Donald
AU  - xx, 686 p.
AU  - Title
TI  - Cluster concept in vocational education
SN  - 0826942660
PY  - 1974///] c1975
CY  - Chicago
PB  - American Technical Society
KW  - GEN
KW  - Group work in education
KW  - Vocational education
N1  - Includes bibliographies and index
ER  -