The main purpose of this study is to evaluate the selection criteria of supplier companies
operating in the defense industry using fuzzy based decision-making models. In the study …

Traffic congestion and environmental pollution generated by transportation activities
significantly endanger the sustainable development of cities. This study presents a new …

In this paper, we propose a new score function of Fermatean fuzzy numbers (FFNs). The
proposed score function of FFNs can conquer the drawbacks of the existing score function of …

Healthcare waste (HCW) management is a complex issue influenced by many factors,
including technological, economic, environmental, and social factors. It is possible to regard …

For the first time, the critical worldwide problem of prioritizing zero-emission last-mile
delivery (LMD) solutions for sustainable city logistics is addressed and solved in this article …

The second-hand vessel market has quite different dynamics than the market of the new-
building vessel, and highly complicated and conflicting criteria and many uncertainties affect …

Multi-criteria decision making (MCDM) methods used to overcome complex real-life
problems is the process of finding the most suitable alternative among alternative options …

Public–private partnership (PPP) infrastructure projects have attracted attention over the
past few years. In this regard, the selection of private partners is an integral decision to …

Social entrepreneurs play an essential role in innovative solutions to address the world's
most challenging societal problems. Although the value of innovative ideas is undeniable …

This study aims to propose a new group multi-attribute decision-analysis (MADA) model to
prioritize the renewable energy sources (RESs) from sustainability perspectives. The …