65356467
9781748019110
Stefan, Dobre Viorel is the author of 'Sudoku Puzzle Book for Adults : Sudoku Puzzle Book for Adults, 600 Puzzles and Solutions, Easy to Extreme, Puzzles for Adults, Brain Games for Adults and Seniors 9x9 Large Print (Sudoku for Adults)', published 2021 under ISBN 9781748019110 and ISBN 1748019112.
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