(3YedGb eGQhSi (B/ s - (3GSGeI efRdLis; (3ejddQ(B, (3gfQis ([S.N] : (3GdeDSSI GdLGeYjI ddOQGSGJ hGdfTQ hGdJhRjY , s, 1987)
Keywords: (3GdbUU GdGfLdjRjIs; (3GdGOH GdGeQjcis; (3GdGOH GdGfLdjRi GdeJQLes