(3GgejI GdJUfjY dYedjI GdJfejI GdYQHjI (B/ s - (3YHOGdgGOi jMhJs ([S.N] : (3eYgO GdGfJeGA GdYQHi , s, 1984)
Keywords: (3GdhWf GdYQHis; (3GdJUfjYs; (3GdJfejIs