(3GdCSS GdfXQjI h GdJWHjbjI dhXGFa EOGQI GdCaQGO (B/ s - (3GdLejYj, aDGO eMeO YHO GdefYes ((3GdehUd (B:s (3hRGQI GdJYdje GdYGdj hGdHMK GdYdej LGeYI GdehUd,s, 1987)
Keywords: (3EOGQI GdCaQGOs; (3GdEOGQIs; (3JbfjGJ GdEOGQIs; (3GdehXahfs