A linear program for the two-hub location problem. - Jinhyeon Sohn; Sungsoo Park (Eur. J. Oper. Res., 1997)

Efficient solution procedure and reduced size formulations for p-hub location problems. - Jinhyeon Sohn; Sungsoo Park (Eur. J. Oper. Res., 1998)

The single allocation problem in the interacting three-hub network. - Jinhyeon Sohn; Sungsoo Park (Networks, 2000)