(3GdeLJeY (B/ s - (3eGcjaQ(B, (3Q(B.(3es; (3HjOL, TGQdjR (B. (3g`s; (3Ydi GMeO YjSi (B((3eJQLe(B)s ([S.N] : (3ecJHI GdfgVI GdeUQjI , s, 1974)
Keywords: (3GdHjFIs; (3GdeLJeYs; (3GdGLJeGYs; (3GdSdhcs; (3GdJZjQ GdGLJeGYis; (3GdJWhQ GdGLJeGYis; (3GdaQOs; (3GdJbOe GdGLJeGYis; (3GdJcja GdGLJeGYis