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The subcontractor selection decision is inherently a multicriterion problem. It is a decision of strategic importance for companies. The nature of this decision is usually complex and unstructured. Management science techniques might be helpful tools for solving these kinds of decision-making problems. In this research, the fuzzy logic method and the analytic hierarchy process were applied for the selection of suitable subcontractors in an apparel supply chain.In general, many factors, such as quality level, price offer, and delivery delay, were considered to determine the most suitable and reliable subcontractors that fit the company's strategy. This survey is carried out using the database of an apparel company manufacturing denim products.

-The purpose of this paper is to provide a method to solve the scheduling problem of a textile machine in a clothing workshop. The scheduling of the production in the textile sector clothing was the goal of many studies. The obvious interest of the mathematical approach is to guarantee the optimal solution. Unfortunately, for the real problems in the textile industry, these approaches became very complex. Thereafter, these procedures can be associated with heuristic methods or algorithms of local research; the purpose is to accelerate convergence towards the optimal result. In our work, we use optimization by the ants colonies to solve scheduling problems of the production in the textile clothing companies.

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