Edited by Jennifer G. Hill, Randall S. Thomas
Edward Elgar Publishing, 2015
Buku Teks
editors, Qipeng P. Zheng, Steffen Rebennack, Panos M. Pardalos, Mario V.F. Pereira, Niko A. Iliadis
Springer, 2012
eBooks
Whitaker, Jerry C., author
New York : CRC Press, 1999,
Buku Referensi
Yeaple, Franklin D., author
Marcel Dekker, Inc., 1990
Buku Referensi
Seidman, Arthur, author
McGraw-Hill, 1997
Buku Referensi