(3GdJcejd h GdEJeGe dcJGH GdJYQja h GdEYdGe (B/ s - (3EHf YScQ, CHh YHO Gddg eMeOs; (3eQhI, MSf ESeGYjds ((3HjQhJ (B:s (3OGQ GdacQ,s, 1997)
Keywords: (3JaSjQ GdbQBf(B.s; (3EYLGR GdbQBf(B.s