(3GdSMQ Hjf GdMbjbI hGdhge aj GdJUhQ GdESdGej (B/s - (3YHO GdSdGe YHO GdQMje GdScQjs ((3GdbGgQI (B:s (3OGQ GdcJH GdLGeYjI GdMOjKI,s, 1987)
(3jTJed Ydj EQLGYGJ HHjdhLQGajI hagQS(B.s
Keywords: (3GdfXQjGJ GdCNdGbjIs