Al-Kohily, Hameed, and Mahioub M. Q. Shubatah. “Connected Perfect Domination in Bipolar Fuzzy Graphs”. IJRDO -JOURNAL OF MATHEMATICS 7, no. 10 (October 5, 2021): 01-11. Accessed October 6, 2024. http://13.234.104.160/index.php/m/article/view/4613.