(3QDjI Mhd CSHGH GdEQgGH GdOhdj (B:s (3JMdjd YGe jJQcR Ydj GdefWbI GdYQHjI (B/s - (3Bd SdjeGf, SYO MSjf YHO Gddgs; (3YR GdOjf, CMeO LdGds (1989)
(3CWQhMI (B((3eGLSJjQ(B)s
(3HHdjhLQGajI (B: (3hQbI (B133-135.s
(3jTJed Ydj EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdEQgGH GdOhdjs -- (3GdHdGO GdYQHjIs; (3QSGdI LGeYjI (B((3eGLSJjQ(B)s