References
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[3] Eğecioğlu, Ö., & Garsia, A. M. (2021). Lessons in Enumerative Combinatorics. Springer.
[4] Mala, F. A. (2022). Lessons in Enumerative Combinatorics. By Ömer Eğecioğlu and Adriano M. Garsia. Springer, 2021. Softcover, pp. xvi+ 479. ISBN 978-3-030-71252-5. Price EUR 68.56. Acta Crystallographica Section A: Foundations and Advances, 78(3).https://scripts.iucr.org/cgi-bin/paper?S2053273322002030.
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[8] Mala, F. A. (2021) Counting Transitive Relations with Two Ordered Pairs. Journal of Applied Mathematics and Computation, 5(4), 247-251. http://dx.doi.org/10.26855/jamc.2021.12.002.
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