Luciana Abednego and Cecilia Nugraheni, A Block World Problem Based Sudoku Solver. journal = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology. August 2014, vol. 92(8). 1425 - 1429 [viewed 20 September 2024]. Available from: https://publications.waset.org/pdf/9999168.