Manongdo, R. F. M. Solving methods for a specific mirror-symmetric 9X9 Sudoku puzzle and its equivalent puzzles.
Čikaški stil citiranja (17. izdanje)Manongdo, Ruby Felicia Mabanglo. Solving Methods for a Specific Mirror-symmetric 9X9 Sudoku Puzzle and Its Equivalent Puzzles.
MLA način citiranja (9. izdanje)Manongdo, Ruby Felicia Mabanglo. Solving Methods for a Specific Mirror-symmetric 9X9 Sudoku Puzzle and Its Equivalent Puzzles.
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