Các hoạt động quảng cáo, marketing mặc dù bỏ ra chi phí lớn nhưng hiệu quả mang lại cũng chưa được như kỳ vọng, thông tin đến với khách hàng vẫn chưa được rộng rãi.
advertising, marketing activities, although leaving out large costs but also bring performance has not been as expected, information to customers has not been extensive.
The promotional activities, marketing costs despite big money but also bring efficiency has not been as expected, to the customer information has not yet been widely.