Rupinder Aul. (2019). A Mind Game For All - HARD Sudoku Puzzles - 1 (2019.). Manoj Publications.
Chicago Style aipamenaRupinder Aul. A Mind Game For All - HARD Sudoku Puzzles - 1. 2019. Manoj Publications, 2019.
MLA aipamenaRupinder Aul. A Mind Game For All - HARD Sudoku Puzzles - 1. 2019. Manoj Publications, 2019.
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