(3GdLQGFe GdOhdjI GdUMajI (B:s (3OQGSI JMdjdjI JWHjbjI (B/s - (3CSeG MSjf MGaXs; (3LGeYI GdbGgQIs (3cdjI GdMbhbs ((3GdbGgQI (B:s (3cdjI GdMbhb (B- (3LGeYI GdbGgQI,s, 1997)
(3HHdjhLQGajG(B: (3UaMGJ (B167-168.s
1
Keywords: (3GdbGfhf GdLfGFi GdOhdjs; (3LQGFe GdSH hGdbPas; (3GdEYdGes; (3GdfTQ GdOhdjs; (3GdeSFhdjI GdeJJGHYIs; (3fXQjI GdeSFhdjI GdeaJQVIs; (3GdGNJUGU GdLfGFi ddOhdIs; (3GdSdWI GdQGHYIs; (3GdEYdGe GdUMajs; (3LQGFe GdYdGfjI s; (3GdLQGFe GdOhdjI GdUMajIs