00309nam a2200133Ia 4500 9788131510377 511.3 FER/D Ferland, Kevin Discrete Mathematical Structures Cengage Learning New Delhi 2010 398p Mathematics BK 6133 6133 0 0 0 0 MAT GBCTL GBCTL F17 2023-11-30 475.00 511.3 FER/D 65557 BK