کتاب های Donald L. Kreher
![Combinatorial algorithms: generation, enumeration, and search](http://cdn.ketabkoo.com/covers/5/571286-n.jpg)
Combinatorial algorithms: generation, enumeration, and search
Donald L. Kreher, 1999![Combinatorial Algorithms: Generation, Enumeration, and Search](http://cdn.ketabkoo.com/covers/5/571289-n.jpg)
Combinatorial Algorithms: Generation, Enumeration, and Search
Donald L. Kreher, 1999![Combinatorial algorithms : generation, enumeration, and search](http://cdn.ketabkoo.com/covers/7/766760-n.jpg)
Combinatorial algorithms : generation, enumeration, and search
Donald L Kreher, 1999![Group Theory Notes](http://cdn.ketabkoo.com/covers/12/1255271-n.jpg)
Group Theory Notes
Donald L. Kreher, 2012![Algebraic methods in the theory of combinatorial designs](http://cdn.ketabkoo.com/covers/13/1319938-n.jpg)