(3GdGJLGgGJ GdQFjSjI ddHMK aj GdYdhe GdGLJeGYjI h GdGfSGfjI (B/s - (3OQbGhj , GSYO YQHj s ((3OeTb (B:s [(3Ohf fGTQ(B] (3,s, 1976)
Keywords: (3GdYdhe s; (3GdGJLGgGJ s; (3GdHMK s; (3GdQFjSjI s