TY - BOOK AU - Jamison,Dean T. AU - Unesco (Paris,France) TI - Cost factors in planning educational technology systems T2 - Fundamentals of educational planning; 24 SN - 9280310763 U1 - 371.206/J32c PY - 1977/// CY - Paris PB - Unesco KW - Education KW - Costs KW - Finance N1 - Bibliography at the end ER -