- Publication venue
- Houghton Mifflin Comp.
- Publication date
- 01/01/1981
- Field of study
xv, 492 p.; 24 cm
- Publication venue
- HOUGHTON MIFFLIN COMPANY
- Publication date
- Field of study
xv+492hlm.;23c
- Publication venue
- ERIC Clearinghouse on Educational Management (University of Oregon),
- Publication date
- Field of study
- Publication venue
- Boston: Houghton Mifflin, 1981.
- Publication date
- Field of study
xv, 471 hal.: ill.; 26 cm
- Publication venue
- Boston: Houghton Mifflin, 1981.
- Publication date
- Field of study
xv, 471 hal.: ill.; 26 cm