TY  - BOOK
AU  - Jamison Dean T
TI  - Cost factors in planning educational technology system
SN  - 9280310763
U1  - T:(X:75).1(X).N7, L7 
PY  - 1977///
CY  - Paris
PB  - Unesco          
KW  -  Education
KW  - Teaching Techniques
N1  - Fundamentals of educational planning. 24.; International Institute for Educational Planning
ER  -