(3GdJMbjb aj LQGFe GdCMOGK (B/s - (3GdYLGdjf, JQcj YHO Gddgs; (3GHf SdeI, agO Hf YHO GdYRjR s (1990)
(3jTJed Ydi edGMb(B.s
(3HHdjhLQGajI (B: (3hQbI (B120-123.s
(3jTJed Ydi eSJNdU HGddZJjf GdYQHjI hGdEfLdjRjI(B.s
Keywords: (3LfGM GdCMOGK s -- (3CMhGd GLJeGYjI s; (3GdLQjeI hGdeLQehfs -- (3LhGfH GLJeGYjIs; (3QSGdI LGeYjI (B((3eGLSJjQ(B)s