(3GdOQGeG GdhGbYjI YfO fYeGf YGThQ (B/ s - (3fHjd QGZHs ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1982)
Keywords: (3GdGOH GdYQHis; (3GdeSQMjGJs; (3GdhGbYjI ai GdGOH GdYQHis