(3HQGeL GdYdGbGJ GdYGeI hCKQ GfYcGSGJgG Ydi JMbjb GdCef (B/s - (3GdOGhO, SYhO UGdM eMeOs; (3MSjf, SejQ eMeOs (1989)
(3jTJed Ydi cTGaGJ(B.s
(3HHdjhLQGajI (B: (3hQbI (B131-133.s
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
(3jTJed Ydi eSJNdU HGddZJjf GdYQHjI hGdEfLdjRjI(B.s
Keywords: (3GdYdGbGJ GdYGeIs -- (3GdSYhOjIs; (3GdCef GdOGNdjs -- (3LhGfH GLJeGYjIs -- (3GdSYhOjIs; (3QSGdI LGeYjI (B((3eGLSJjQ(B)s