(3eONd ai GdQYGjI GdGLJeGYjI (B/ s - (3GdSjO QeVGfs; (3Sdhi YKeGf GdUOjbis ([S.N] : (3GdecJH GdLGeYi GdMOjK , s, 1991)
Keywords: (3eUQs; (3GdNOeI GdGLJeGYjIs; (3GdLeYjGJ GdNjQjIs; (3NOeI GdLeGYIs; (3GdabQGAs; (3GdTjNhNIs