Kandasamy, W.B. Vasantha
N-algebraic structures and s-n-algebraic structures
Phoenix, 2005
 Buku Teks
Ma, Jingjing
Lecture notes on algebraic structure of lattice-ordered rings
World Scientific, 2014
 Buku Teks SO
Korte, Bernhard
Combinatorial optimization : theory and algorithms
Springer, 2012
 eBooks
Cornuejols, Gerard, 1950-
Combinatorial optimization: packing and covering
Society for Industrial and Applied Mathematics, 2001
 eBooks
Steele, J. Michael
Probability theory and combinatorial optimization
Society for Industrial and Applied Mathematics, 1997
 eBooks