00457nam a2200181Ia 4500 230714s9999 xx 000 0 und d 9790000000000 eng 511.3 SAR Sarkar S.K. Textbook Of Discrete Mathematics 9th ed. 2019 S. Chand 845 Rs. 365.00 Sarkar S.K. O:0731125-Oct-2021B:596911-Oct-2021 SC 365 227688 227688