(3HMK aj OhQ GdCOdI GdLfGFjI aj GdcTa Yf GdLQGFe GdZGeVI Vef eJWdHGJ GdJNUU GdeJbOe aj ecGaMI GdLQjeI (B:s (3GdbSe GdNGU (B/s - (3SQMGf, gGTe YHO Gddgs; (3YHO GdQMef, MGces (1985)
(3HHdjhLQGajI (B: (3hQbI (B99-101.s
(3jTJed Ydi eSJNdU HGddZJjf GdYQHjI hGdEfLdjRjI(B.s
Keywords: (3GdJMbjb GdLfGFjs -- (3GdEeGQGJ GdYQHjI GdeJMOIs; (3GdCOdI GdLfGFjIs -- (3GdEeGQGJ GdYQHjI GdeJMOIs; (3QSGdI LGeYjI (B((3eGLSJjQ(B)s