(3eGhQGA GdGQbGe (B: (3bQGAGJ ai GdScGf hGdGSJgdGc (B/ s - (3SjO QeVGf gOGQI (B((3eJQLe(B)s; (3eGRhQ(B, (3dhQi Gfs; (3fGOjI MGaX(B((3eJQLe(B)s ([S.N] : (3GdLeYjI GdeUQjI dfTQ GdeYQaI hGdKbGaIhGdYdhe , s, 1992)
Keywords: (3GdScGfs; (3GdHjFI hGdGfSGfs