Computers & Mathematics with Applications
Computers and Mathematics with Applications > 2011 > 62 > 3 > 1200-1214
Computers and Mathematics with Applications > 2011 > 62 > 3 > 1157-1165
Computers and Mathematics with Applications > 2011 > 62 > 3 > 1341-1349
Computers and Mathematics with Applications > 2011 > 62 > 4 > 1908-1915