(3NdGUI GdJhMjOi (B: s (3eNJGQGJ ef fKQ GHh MjGf GdJhMjOi (B/ s - (3LeGd GdZjWGfis; (3GHhMjGf GdJhMjOi, Ydi Hf eMeOs ((3GdbGgQI (B: s (3GdeLdS GdGYdi ddKbGaI , s, 1995)
Keywords: (3GdGOH GdYQHis; (3GdHdGZI GdYQHjIs; (3GHhMjGf GdJhMjOis