(3MeGjI GdHjFI ef CKQ GSJNOGe GdSjGQGJ aj GdeOf (B/ s - (3aDGO CHh GdaJhM(B.s ((3GdQjGV (B: s (3GdeQcR GdYQHj ddOQGSGJ GdCefjI hGdJOQjH,s, 1982)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdJTQjYGJ GdeJYdbI HGdHjFIs; (3bGfhf GdELQGAGJ GdLfGFjIs -- (3eUQs