Ola Mohammed, Abdalftah Elbori, and Muna Abdulhafed. “Study on Some Groups Whose Elements Are Symmetries of Geometric Objects”. AlQalam Journal of Medical and Applied Sciences (March 19, 2024): 185–191. Accessed November 23, 2024. https://journal.utripoli.edu.ly/index.php/Alqalam/article/view/524.