Putra , Made Indrayana, Muhammad Arzaki, and Gia Septiana Wulandari. 2022. “Solving Yin-Yang Puzzles Using Exhaustive Search and Prune-and-Search Algorithms”. (IJCSAM) International Journal of Computing Science and Applied Mathematics 8 (2):52-65. https://journal.its.ac.id/index.php/ijcsam/article/view/4669.