(3GdYhdeI hGdCbdeI (B:s (3GJLGgGf LOjOGf aj GdSjGSGJ GdYGdejI (B/s - (3gjLhJ, QjJTGQO Cs ((3CHh XHj (B:s (3eQcR GdEeGQGJ ddOQGSGJ hGdHMhK GdGSJQGJjLjI (B:s, 1998)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdYhdeIs; (3GdSjGSI GdOhdjIs