(3GdTQhW GdeaJQVI aj GdLQjeI (B:s (3OQGSI JMdjdjI JCUjdjI (B/s - (3YHO GdYXje eQSj hRjQs ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI ,s, 1983)
(3fGd gPG GdeDda LGFRI GdOhdI aj GdYdhe GdLfGFjI dYGe (B1984s
(3jTJed Ydi EQLGYGJ HHdjhLQGajIs
Keywords: (3GdLQjeI hGdeLQehfs; (3bhGfjf hJTQjYGJs