Today, growing and changing competitive conditions, products, and services, free movement of labor, and businesses with the information they develop strategies that create value to obtain a competitive advantage. Now, final buyers have the convenience of purchasing the products they demand with the features and conditions they want and at the price they accept. In such an environment, businesses use their supply chain and logistics activities more effectively and efficiently than their competitors. Today, achieving a strategic superiority in a global market where the content and quality of the products are the same is only possible by delivering the desired products to the customer at the desired price, at the desired time, in the desired amount, through the right channel, as quickly as possible and without any damage. In such a situation, the desire to focus on the main activities of the enterprises, the need for effective logistics operations, etc. logistics outsourcing has increased rapidly for reasons. Businesses can carry out logistics activities requiring expertise thanks to third party logistics (3PL) service providers in the field such as transportation, storage, customs clearance, without investing in logistics. For logistics outsourcing to be beneficial, a correct logistics service provider must be selected under the needs of the business. Selecting the right logistics service provider is important in increasing the benefit of outsourcing. In this study neutrosophic AHP was used to prioritize the factors.

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ÖzTedarik Zinciri Yönetimi (TZY) performans faktörleri uygulanabilir ve verimli bir işletme faaliyeti gerçekleştirmek için hayati derecede öneme sahiptir. TZY performans faktörleri maliyet, kalite, esneklik, lojistik seviyesi, bilgi paylaşımı gibi unsurlara doğrudan etki etmesi sebebi ile işletmeler açısından oldukça önemlidir. Öte yandan işletmeye uygun rekabet stratejisi seçimi, pek çok karar problemini içinde barındıran bir çeşit Çok Kriterli Karar Verme (ÇKKV) problemidir. Dolayısıyla böyle bir durumda ÇKKV yöntemlerinin uygulanması tercih edilmektedir. Bu çalışmada; Ordu ili'nde 50 ve üzeri çalışanı olan imalat işletmelerinde SWARA temelli ARAS ve COPRAS yöntemleri ile TZY performans faktörlerinin önem dereceleri ortaya konulmuş ve en ideal rekabet stratejisi seçimi yapılmıştır. Yapılan değerlendirme sonucunda TZY performans unsurlarından en önemlisi "esneklik" faktörü olmuştur. Diğer taraftan hem ARAS hem de COPRAS yönteminde "Odaklanma stratejisi"nin en ideal rekabet stratejisi olduğu sonucuna ulaşılmıştır. AbstractSupply chain management (SCM) performance factors are vital to achieving an applicable and efficient business activity. SCM performance factors are very important for businesses as they have direct impact on cost, quality, flexibility, logistics level, information sharing. On the other hand, choosing a competitive strategy suitable for the business is a kind of multi-criteria decision making (MCDM) problem that includes many decision problems. Therefore, in such a case, the application of the methods of MCDM is preferred. In this study, the importance of SWARA based ARAS and COPRAS methods and SCM performance criteria were determined and the most ideal competition strategy selection was made in manufacturing enterprises with 50 or more employees in Ordu province. As a result of the evaluation, the most important of the performance elements of SCM was the "flexibility" factor. On the other hand, both "ARAS" and "COPRAS" method have achieved "Focus strategy" as the most ideal competition strategy. GİRİŞKüreselleşme olgusu ile birlikte son yüzyılda teknolojik, ekonomik, sosyal yani hemen hemen her süreçte çeşitli gelişmeler ve değişmeler yaşanmıştır. Bu değişim ve gelişmeler beraberinde TZY performans unsurları olan maliyet, kalite, esneklik,

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PurposeSustainable supply chain management (SSCM) practices and policies are necessary for businesses that seek to take part in international markets and ensure any form of competitiveness. Over time, and especially in the recent past, researchers, governments, and other policymakers have made use of broad and systematic approaches and come to appreciate the value-enhancing activities of sustainability.Design/methodology/approachBusinesses have embraced the integration of sustainable policies and practices within the supply chain as a critical step in ensuring the efficiency of their operations. It is clear in previous studies and operational programs of enterprises that SSCM practices accord businesses certain benefits including improving their environmental, social, and economic performance, and increasing their ecological awareness by way of influencing performance elements within supply networks in enterprises. The study examines the factors influencing performance and theories of SSCM using a neutrosophic method in the textile industry.FindingsSSCM performance is thus of great importance in ensuring business success and competitiveness, realizing customer satisfaction, and leaving the environment in a desirable state for future generations. Performance management, by assisting in the decision-making by managers and ensuring an adequate level of internal interaction, is an integral part of assimilating sustainability management into businesses. SSCM theories also have a strong impact on the determination of the sources of competitive advantage through effective utilization of business capabilities to solve environmental and social challenges that may affect business performance.Originality/valueIn line with the benefits highlighted, this study seeks to evaluate and select the factors affecting SSCM performance and theory in textile enterprises with corporate identity in Ordu and Giresun provinces following a neutrosophic approach. To this end, the elements obtained from the literature review are evaluated using the MULTIMOORA-mGqNN method.