(3JjehQdfc h OhdI GdeeGdjc GdMQGcSI eY JQLeI ebGd GdcGJH GddGJjfj Oj ejLfGfddj Yf MjGI JjehQdfc (B/ s - (3SdjeGf, CMeO YHO GdcQjes ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI ddfTQ h GdJhRjY,s, 1985)
Keywords: (3GdeZhds; (3JGQjN GdYQHs; (3GdeeGdjc (B1250-1517s