(3GLQGAGJ GdTgQ GdYbGQi habG ddJYOjdGJ GdGNjQI (B/ s - (3eOMJ eMeO GdMSjfis ([S.N] : (3OGQ GdeWHhYGJ GdLGeYjI , s, 1992)
Keywords: (3GdbGfhfs; (3GdYbhOs; (3bGfhf GdedcjIs; (3YbhO GdGjLGQs; (3GdJhKjb GdYbGQis; (3GdTgQ GdYbGQis; (3GdSLd GdYjfis