dspace.elib.ntt.edu.vndspace.elib.ntt.edu.vn/dspace/bitstream/123456789/6596/1/su gian no... ·...

5

Transcript of dspace.elib.ntt.edu.vndspace.elib.ntt.edu.vn/dspace/bitstream/123456789/6596/1/su gian no... ·...