The colossal book of short puzzles and problems : combinatorics, probability, algebra, geometry, topology, chess, logic, cryptarithms, wordplay, physics and other topics of recreational mathematics | WorldCat.org
puzzle - Math Riddle in Combinatorics. - Mathematics Stack Exchange
Arithmetical, Geometrical and Combinatorial Puzzles from Japan
Combinatorial Puzzles | SpringerLink
A baker's dozen of combinatorial puzzles by Michael Dowle
Solved In this assignment you need to write a program that | Chegg.com
co.combinatorics - English name and references for a combinatorial puzzle from Japan - MathOverflow