SINGH, S. (2018). COMBINATORICS AND GRAPH THEORY (3RD.). KHANNA BOOK PUBLISHING Pvt. Ltd., NEW DELHI.
Chicago-čujuhus (17. p.)SINGH, SB. COMBINATORICS AND GRAPH THEORY. 3RD. KHANNA BOOK PUBLISHING Pvt. Ltd., NEW DELHI, 2018.
MLA-čujuhus (9. p.)SINGH, SB. COMBINATORICS AND GRAPH THEORY. 3RD. KHANNA BOOK PUBLISHING Pvt. Ltd., NEW DELHI, 2018.
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