(3GdMjGI GdGbJUGOjI ddeSfjf (B((3OQGSGJ GfKQhHhdhLjI dOhQ GdeSfjf(B) / s - (3eMeO jSQi GHQGgje OYHSs ([S.N] : (3GdeDda , s, 1992)
Keywords: (3GdGbJUGOs; (3GdGLJeGYs; (3GdGfKQHhdhLjGs; (3GdQYGjIs; (3GdeSfhfs