(3YOe GdJLRFI hGdGQJHGW Hjf GdLQGFe hCKQgeG aj GdGNJUGU GdbVGFj (B:s (3OQGSI JMdjdjI aj VhA Gdabg hGdbVGA (B/s - (3hRjQ, YHO GdYXje eQSjs ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI,s, 1988)
(3HHdjhLQGajI (B: (3UaMI (B145-149.s
Keywords: (3GdGNJUGU GdbVGFjs -- (3eUQs; (3GdGNJUGU GdbVGFjs -- (3aQfSGs