I assure you this is my own work and obtained the scientific guidance of Mr. Tran Minh Sơn. The research content of the subject is honest, transparent, heredity, developed from the material, the magazine, the research has been published. The results of this research paper does not copy exactly from any other sources and yet published under any form before.Also, in the essay also uses a number of reviews, reviews as well as the figures of the other authors, the other organization are cited, and the citations are clearly stated in the references section.If there is any fraud would I'm totally responsible for the content of his thesis. The College of foreign language and Technology Update is not related to the violation of copyrights, copyright because I caused in the process (if any).
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