(3efgL GdGfTWI GdSdje jUdM dLejY GdGWaGd (B/ s - (3JjfGHQhSs; (3Sdhi GdedG(B((3JQLeI(B)s ([S.N] : (3OGQ GdTQhb , s, 1992)
Keywords: (3GdGWaGds; (3Yde GdfaSs