TY  - BOOK
AU  - Jamison,Dean T.
AU  - Klees,Steven J.
AU  - Wells,Stuart J.
TI  - The costs of educational media: guidelines for planning and evaluation 
SN  - 0803907478 :
U1  - 371.3078 
PY  - 1978///
CY  - Beverly Hills
PB  - SAGE
KW  - Education
KW  - Costs
KW  - Educational technology
KW  - Media programs (Education)
N1  - Bibliography: p. 247-253
ER  -