TY  - BOOK
ED  -  International Conference on Public Education 
ED  -  United Nations Education Scientific and Cultural Organisation. Inter national Bureau of Education.
TI  -  The study of environment in school
PY  - 1968///
CY  -  Paris : 
PB  -  UNESCO, 
KW  -  Environmental education
KW  -  Congresses
N1  -  Includes bibliographical references
ER  -