Gadir Abdel Rahman, Abdel Radi Abdel Rahman Abdel, Tasabeh Awadallah Abdel Majid Ali, Sulima Ahmed Mohammed Zubir, and Hassan Abdelrhman Mohammed Elnaeem. “Using the New Mathematical Method to Find the Third Fundamental Form of Surface”. International Journal Of Mathematics And Computer Research 10, no. 4 (April 19, 2022): 2650-2654. Accessed November 27, 2024. https://ijmcr.in/index.php/ijmcr/article/view/400.