(3GdaUd hGdJejjR GdYfUQj aj VhA GdbGfhf GdOhdj GdYGe (B/ s - (3VGQj QTjO GdSGeQGFjs (b, 1983)
.530-515 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3Mbhb GdEfSGfs; (3GdbGfhf GdOhdj GdYGes