(3ehShYI CSHGH GdMQGSI h GdLRGA GdSjGSj aj bGfhf GdeOYj GdYGe GdYGe GdCTJQGcj (B/s - (3eUWaj GdTGPdjs ((3GdEScfOQjI (B:s (3OGQ GdeWHhYGJ GdLGeYjI (B,s, 1977)
(3jTJed Ydj GQLGYGJ HHdjhLQGajIs
(3GdfU CZdHg HGddZI GdYQHjI HYV GdfUhU GdEfLdjRjI hGdaQfSjIs
Keywords: (3GdbGfhf GdEOGQjs