tailieuso.udn.vntailieuso.udn.vn/bitstream/TTHL_125/1807/1/TC_0404.pdf · so it is still at poor...
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tailieuso.udn.vntailieuso.udn.vn/bitstream/TTHL_125/1807/1/TC_0404.pdf · so it is still at poor situation. One of reasons for this poor situaton is the lack of nvestment capital