TY  - BOOK
A1  - Prepared by the social science staff of the Educational Research Council of America
TI  - Challenges of our times: technology, promises, and problems
PB  - کتابخانه مرکزی و مرکز نشر دانشگاه بیرجند (دکتر محمد حسن گنجی)
SN  - 104532618
UR  /book/104532618/Challenges-of-our-times-technology-promises-and/
ER  -