| 231 | -- | 248 | Ricardo C. Silva, Carlos Cruz Corona, José L. Verdegay. Fuzzy costs in quadratic programming problems |
| 249 | -- | 261 | Guoli Wang, Wansheng Tang, Ruiqing Zhao. A novel job search problem in hybrid uncertain environment |
| 263 | -- | 288 | Takashi Hasuike, Hideki Katagiri. Robust-based interactive portfolio selection problems with an uncertainty set of returns |
| 289 | -- | 304 | Meng Wu, De-wang Kong, Jiu-ping Xu, Nan-Jing Huang. On interval portfolio selection problem |
| 305 | -- | 322 | Yurilev Chalco-Cano, Weldon A. Lodwick, Antonio Rufián-Lizana. Optimality conditions of type KKT for optimization problem with interval-valued objective function via generalized derivative |
| 323 | -- | 356 | Ting-Yu Chen. An interactive method for multiple criteria group decision analysis based on interval type-2 fuzzy sets and its application to medical decision making |