This paper generalizes the problem of supplier selection and order allocation with multi-
period, multi-product, multi-supplier, multi-objective cases as well as quantity discount …

Two-sided assembly lines are especially used at the assembly of large-sized products, such
as trucks and buses. In this type of a production line, both sides of the line are used in …

In this study a hybrid (including qualitative and quantitative objectives) fuzzy multi objective
nonlinear programming (H-FMONLP) model with different goal priorities will be developed …

Determining the most sustainable renewable energy (RE) source portfolio that meets
decision-maker preferences is a complicated and uncertain multi-criteria decision-making …

Narasimhan incorporated fuzzy set theory within goal programming formulation in 1980.
Since then numerous research has been carried out in this field. One of the well-known …

In this study we present a model for selecting portfolios when an ethical dimension on
financial products is considered. We propose a method that can be used to define a …

Two most widely used approaches to treating goals of different importance in goal
programming (GP) are:(1) weighted GP, where importance of goals is modelled using …

Goal programming as a well known technique has been widely used for solving multi
objective decision making problems. However, in some practical cases, there may exist …

The present paper proposes a non-homogeneous multivariate Markov manpower system in
the general category of mathematical human resource planning. More specifically, we …

In product development, the identification of critical design requirements (DRs) is key to
satisfying customer needs because it helps produce more successful products in a shorter …