(3Yf GdGScGf hGdYeQGf(B: (3GHMGK eNJGQI ef GdeDJeQGJ GdOhdjI (B/ s - (3SjO eMeO GdJhfis; (3fSeGJ YHO GdbGOQs ([S.N] : (3GdYQHi ddfTQ hGdJhRjY , s, 1991)
Keywords: (3GdGScGfs; (3GdeDJeQGJs