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N. N. Ramlee, E. S. Ismail       A new directed signature scheme with hybrid problems       Applied Mathematical Sciences, Vol. 7, 2013, no. 125, 6217-6225
      http://dx.doi.org/10.12988/ams.2013.39514
Copyright © 2013 N. N. Ramlee and E. S. Ismail. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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