(3JGQjN GdUMGHI GdPjf Qhi Yfge GdGNHGQ (B/ s - (3GdHSJi (B, (3GHhMGJe eMeO Hf MjGfs; (3HhQGf GdUfGhi (B((3JMbjb(B)s ([S.N] : (3OGQ GdcJH GdYdejI ddfTQ hGdJhRjY , s, 1988)
Keywords: (3GdJQGLes; (3GdUMGHI hGdJGHYhfs