TY  - BOOK
AU  - 
AU  - David, Kenneth.;Cowley, James.;Williams, Trefor,
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 0063181789;0063181797 (paperback : alkaline paper)
SN  - 2
PY  - 1981///];copyright 198146
CY  - London
PB  - Harper & Row Publishers
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Health education
N1  - 5
ER  -