Setyobudhi, Charisma Tubagus. “Comparison of A* Algorithm and Greedy Best Search in Searching Fifteen Puzzle Solution”. International Journal of Computer and Information Technology(2279-0764) 11, no. 3 (August 21, 2022). Accessed September 25, 2022. https://ijcit.com/index.php/ijcit/article/view/242.