(3WQb GdHMK GdGfKQhHhdhLi(B: (3GdfSb GdbOGHi (B/ s - (3eMeO YHOg eMLhH (B((3JbOje(B)s ([S.N] : (3OGQ GdeYQaI GdLGeYjI , s, 1985)
Keywords: (3GdGLJeGYs; (3GdGLJeGY GdMVQis