(3GOHGA QhS efTbhf (B/ s - (3QeSjS YhVs ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1992)
Keywords: (3GdGOH GdQhSis; (3GdJQGLes; (3GdGOHGA GdQhSjhfs; (3JGQjN hfbOs