Khairalla Al’ DzhabriKhalid Shea. “On Characterization of Connected Graphs Without Induced Subgraphs - Paws”. Al-Qadisiyah Journal of Pure Science 22, no. 2 (January 9, 2018): 135-142. Accessed April 29, 2024. https://journalsc.qu.edu.iq/index.php/JOPS/article/view/563.