(3adSaI GdcPH (B/ s - (3eMeO egOi YdGes ([S.N] : (3ecJHI GdJQGK GdGSdGei , s, 1987)
Keywords: (3GdadSaI GdGSdGejIs; (3GdGSdGes; (3GdcPHs