(3CUhd GdbGfhf GdOhdj (B/s - (3GdObGb, eMeO GdSYjO(B.s ((3GdEScfOQjI, eUQ (B:s (3OGQ GdeWHhYGJ GdLGeYjI,s, 1986)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdbGfhf GdOhdjs