(3ef GdOQeG GdhKGFbjI (B/ s - (3fYeGf YGThQs ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1986)
Keywords: (3GdGOH GdYQHis; (3GdeSQMjGJ GdeUQjIs; (3GdeSQMjGJ GdGPGYjIs; (3GdeSQMjGJ GdYQHjIs