(3GdMQjGJ GdGLJeGYjI Hjf GdfXe GdeYGUQI hGdacQ GdSjGSj GdESdGej (B/ s - (3eMSf GdYHhOjs ((3GdbGgQI (B: s (3OGQ GdfgVI GdYQHjI, s, 1990)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdMQjGJ GdSjGSjIs; (3GdMQjGJ GdacQjIs; (3GdfXe GdSjGSjIs