00455 a2200169 4500 131198 OSt 20210908153100.0 511.5076 B18S Balakrishnan, V.K. Schaum's outline of theory and problems of graph theory by V.K. Balakrishnan New Delhi Tata McGraw Hill 2011 293p. Graph theory ddc BK 5727 5727 0 0 ddc 0 0 TXB CURAJ CURAJ 2012-06-08 MTH 350.00 511.5076 B18S 7276 2020-09-02 2020-09-02 BK