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%D9%86%D8%B8%D8%A7%D9%85 %D8%AA%D9%83%D8%B3%D9%8A%D8%B1 %D8%A7%D9%84%D8%A8%D9%88%D9%83%D8%B3%D9%8A%D8%AA %D9%81%D9%8A %D8%A7%D9%84%D8%B3%D8%B9%D9%88%D8%AF%D9%8A%D8%A9_37725
### 1. Định nghĩa %D9%86%D8%B8%D8%A7%D9%85 %D8%AA%D9%83%D8%B3%D9%8A%D8%B1 %D8%A7%D9%84%D8%A8%D9%88%D9%83%D8%B3%D9%8A%D8%AA %D9%81%D9%8A %D8%A7%D9%84%D8%B3%D8%B9%D9%88%D8%AF%D9%8A%D8%A9_37725 và Tầm quan trọng đối với khách hàng ở Việt Nam..