TY  - BOOK
A1  - / T.Neville Postlethwaite and David E.Wiley
TI  - The IEA study of science II: science achievement in twenty-three countries
PB  - كتابخانه مركزی و مركز اسناد دانشگاه مازندران
SN  - 92850415
UR  /book/92850415/The-IEA-study-of-science-II-science-achievement-i/
ER  -