(3GdJhHI(B: (3JhHhGGdi Gddg JhHI fUhMG (B/ s - (3GMeO Hf Jjejgs ([S.N] : (3ecJHI GdJQGK GdGSdGei , s, 1990)
Keywords: (3GdGSdGes; (3GdYHGOGJs; (3GdJhHIs