Media type: E-Article Title: A Method to Expand a Complete Binary Tree using Greedy Method and Pruning in Sudoku Problems Contributor: Kim, Tai Suk; Kim, Jong Soo Published: Korea Multimedia Society, 2017 Published in: Journal of Korea Multimedia Society, 20 (2017) 4, Seite 696-703 Language: English DOI: 10.9717/kmms.2017.20.4.696 ISSN: 1229-7771 Origination: Footnote: