(3GdTQb GdGhSW (B:s (3cGeH OjajO HYO (B10 (3SfhGJ (B/ s - (3chGfJ, hdjGe H (B.s ([S.N] : (3eQcR GdGgQGe ddJQLeI hGdfTQ , s, 1989)
Keywords: (3eUQs; (3GdfRGY GdYQHi GdGSQGFjdis; (3GdSjGSI GdOhdjIs; (3GSQGFjds; (3GdYdGbGJ GdNGQLjIs; (3GJaGbjGJ cGeH OjajOs; (3GdOHdheGSjIs; (3GdSdGes