TY  - BOOK
AU  - Flowerdew,A.D.J.
AU  - Whitehead,C M E.
TI  - Cost effectiveness and cost benefit analysis in information science / 
U1  - 020 
PY  - 1974///
CY  - London : 
PB  - School of Economics & Political Science, 
KW  - Information science
N1  -  Includes bibliographical references ( p.66-71)
ER  -