SINGH, S. (2018). COMBINATORICS AND GRAPH THEORY (3RD.). KHANNA BOOK PUBLISHING Pvt. Ltd., NEW DELHI.
Chicago Style (17. basım) AtıfSINGH, SB. COMBINATORICS AND GRAPH THEORY. 3RD. KHANNA BOOK PUBLISHING Pvt. Ltd., NEW DELHI, 2018.
MLA (9th ed.) AtıfSINGH, SB. COMBINATORICS AND GRAPH THEORY. 3RD. KHANNA BOOK PUBLISHING Pvt. Ltd., NEW DELHI, 2018.
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