TY  - BOOK
AU  - Richard , Johnsonbaugh
TI  - Discrete mathematics
SN  - 8178082799
U1  - 511.2 JOH 
PY  - 2001///
CY  - Singapore
PB  - Pearson education
KW  - Humanities & Natural Science
KW  - Mathematics
N1  - Includes Index
ER  -