(3GdKQhI GdeYOfjI hMbhb GdOhdI hGdaQO ajgG OQGSI abgjI (B/ s - (3eMehO GdeXaQs ([S.N] : (3efTGI GdeYGQa GdGSdGejI , s, 1990)
Keywords: (3GdbGfhfs; (3eUQs; (3bGfhf GdedcjIs; (3GdKQhI GdeYOfjIs; (3GdKQhI GdfHGJjIs