(3GdZWGhj GdchjJjI (B: s (3OQGSI ehVhYjI h afjI (B/ s - (3GdfLGQ, eMeO QLHs ((3GdchjJ (B:s (3TQcI GdQHjYGf ddfTQ,s, 1985)
Keywords: (3GdCOH GdTYHjs; (3GdchjJs