(3GdSaQ ai YdGeI GdGSJagGe (B/ s - (3XGaQ GdMSfs ([S.N] : (3GdeDSSI GdLGeYjI ddOQGSGJ hGdfTQ hGdJhRjY , s, 1984)
Keywords: (3GdTYQ GdSjGSis