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If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, withing 24 hours on weekdays.
Customer service
All questions about your order, return and delivery must be sent to our customer service team by e-mail at yourstore@yourdomain.com
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The authors interested in studying the qualitative behavior (such as : local stability global stability periodic nature boundedness semi cycles analysis oscillation how to find the analytical forms of the solutions, etc... ) for some nonlinear difference equations and systems of difference equations as well as provide and structure mathematical models in various fields of life.
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