(3GghGd GdbjGeg (B/ s - (3eLOi eMeO GdTgGhis ([S.N] : (3ecJHI GdGjeGf ddWHY hGdfTQ hGdJhRjY , s, 1992)
Keywords: (3GdKhGH hGdYbGHs; (3jhe GdbjGeIs; (3GdHYKs