(3eHGOF GdGJUGd GdJQHhj hGdGfSGfjs - (3fUQ Gddg , YeQ YHOGdQMje(B, s; (3fUQ Gddg , YeQ YHOGdQMjes ((3OGQ hGFd ddfTQ hGdJhRjYs, 2001)
1