Shea Khairalla Al’Dzhabri K. On The Enumeration of The Transitive and Acyclic Digraphs Having a Fixed Support Set. J. Al-Qadisiyah Comp. Sci. Math. [Internet]. 2018 Jan. 20 [cited 2024 Nov. 16];10(1):Math Page 15 - 25. Available from: https://jqcsm.qu.edu.iq/index.php/journalcm/article/view/336