TY  - BOOK
A1  - Mansfield, Donald Ernest
TI  - Background to set and group theory; including applications in the teaching of mathemtics
PB  - کتابخانه مرکزی و مرکز اطلاع رسانی دانشگاه فردوسی مشهد
SN  - 77754461
UR  /book/77754461/Background-to-set-and-group-theory-including-appl/
ER  -