(3eMfI GdNdjL hehba eUQ hGdSYhOjI hGdHdGO GdCSdGejI (B/ s - (3GMeO YeQ gGTes ([S.N] : (3ecJHI GdJQGK GdGSdGei , s, 1991)
Keywords: (3GReI GdNdjLs