(3Mbhb GdeLfi Ydjg ai GdbGfhf GdebGQf (B/s - (3eMehO eMehO eUWais ((3GdbGgQI (B:s (3eWHYI LGeYI GdbGgQI,s, 1975)
(3GdfU HGddZI GdYQHjIs
Keywords: (3Mbhb GdeLfi Ydjg ai GdELQGAGJ GdLfGFjI s; (3GdbGfhf GdLfGFjs