(3JaSjQ ShQI GdfhQ (B/ s - (3GdMSf, eMeO Ydjs; (3CHh YdHg, YHO GdQMje aGQSs ((3YeGf (B:s (3OGQ GdCQbe,s, 1983)
Keywords: (3GdbQBf GdcQjes; (3JaSjQ GdbQBfs; (3ShQ GdbQBfs