(3ecGfI GdUdGg aj GdESdGe h CgejJgG aj MjGI GdeSde (B/ s - (3GdcGfOgdhj, eMeO Hf RcQjG Hf eMeO jMjis ((3HjQhJ (B:s (3OGQ GdLjd,s, 1992)
Keywords: (3GdUdGgs; (3GdESdGes; (3Gdabgs