M. H. Tahir, Ijaz Iqbal, and Jamal Abdul Nasir, “Cyclic Polygonal Designs with Block size 3 and Joint Distance 3”, JESPK, vol. 5, no. 1, pp. 68–80, Mar. 2011, Accessed: Nov. 04, 2026. [Online]. Available: https://jes.ac.pk/index.php/jes/article/view/616