(3OQI fGOQI ddGSJQGHGOi (B/ s - (3GdGSJQGHGPis; (3MGJe eMeO QTGOs ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1994)
Keywords: (3GdGOHs; (3GdGOH GdaGQSis