TY  - BOOK
AU  - Roy, Bhola Nath
TI  - Test Book of Deductive Logic With Copies Examples and Questions 6th Edition
U1  - 511.3 
PY  - 1938///
CY  - London
PB  - Un Known
KW  - General Stack
KW  - Natural science & mathematics
KW  - MathematicsGeneral principles of mathematics
KW  - Generalia
ER  -