(3OGQSI ai GdehYXI Ydi GdLHd (B/ s - (3UehFjd MHjHs ([S.N] : (3OGQ GdKbGaI GdYQHjI , s, 1990)
Keywords: (3GdYgO GdLOjOs; (3GdGfLjds; (3YHGOGJs; (3GdOjf GdeSjMis; (3GdGNdGb GdeSjMjIs