(3djHjG GdKhQI ai YTQjf YGe (B1989-1969 (3GdJMhjdGJ GdSjGSjI hGdGbJUGOjI hGdGLJeGYjI (B/ s - (3eLehYI ef GdGSGJPIs ([S.N] : (3GddLfI GdTYHjI GdYGeI ddGYdGe hGdKbGaI , s, 1989)
Keywords: (3GdJfejI GdGLJeGYjIs; (3djHjGs; (3GdJfejI GdGbJUGOjIs; (3eYeQ GdbPGais; (3GdJfejI GdRQGYjIs; (3GdJfejI GdUfGYjIs