(3Md GdfRGYGJ Hjf GdOhd GdYQHjI (B:s (3OQGSI aj GdbGfhf GdOhdj (B/s - (3GdMSf, SHYGhj EHQGgjes ((3HZOGO (B:s (3OGQ GdTDhf GdKbGajI GdYGeI,s, 1987)
(3HHdjhLQGajI (B: (3U(B. 293-320.s
Keywords: (3GdYdGbGJ GdNGQLjIs; (3GdbGfhf GdOhdjs; (3GdJMcje GdOhdjs; (3GdHdGO GdYQHjIs -- (3YdGbGJ NGQLjIs