TY  - BOOK
AU  - Landsheere,Gilbert de
ED  - International Bureau of Education.
TI  - Emprirical research in education
SN  - 9231020234 (pbk.)
AV  - LB 1028 .D4
U1  - 370/.7/8 19
PY  - 1982///
CY  - Paris, France
PB  - Unesco
KW  - Education
KW  - Research
KW  - Experimental methods
N1  - "Prepared for the International Bureau of Education."; Includes bibliographical references
ER  -