TY  - BOOK
AU  - CHARLTON,TONY
AU  - DAVID,KENNETH
TI  - INTRODUCTION TO LOGIC / 
U1  - 160 
PY  - 1993///
CY  - [S.N] : 
PB  - ROUTTEDGE CO L TD ، 
KW  - EDUCATION
KW  - SCHOOL MANAGEMENT
KW  - SCHOOL DISCIPLINE
KW  - PROBLIM CHILDREN
ER  -