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> Dr. Francis Pf Lai
Dr. Francis Pf Lai
title
ISBN-13
(ISBN-10)
year of publication
Sudoku: Explaining the Fifteen Steps of the Francis' Rules for Sudoku
978-1-412O-8O23-1
(1-412O-8O23-1)
2006
D.F.
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D. Francis
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D. P.
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Dr.P
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F. Lai
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Francis L.
Dr Francis Pryor