Hasani, Abdul Kadir, and Hindayati Mustafidah. “Algoritma Backtracking Untuk Penyelesaian Puzzle Gambar Bendera”. JUITA: Jurnal Informatika 4, no. 2 (March 2, 2017): 87–95. Accessed June 18, 2025. http://jurnalnasional.ump.ac.id/index.php/JUITA/article/view/1353.