(3GdEKHGJ aj GdehGO GdLfGFjI aj GdbGfhf GdebGQf s (3GdLRA GdChd ,s (3GdfXQjI GdYGeI (B/s - (3GdOcJhQ eMehO eMehO eUWais ((3GdbGgQI (B:s (3eWHYI LGeYI GdbGgQI hGdcJGH GdLGeYj ,s, 1977)
(3jTJed Ydi GQLGYGJ HHdjhLQGajIs
Keywords: (3GdbGfhf GdLfGFjs; (3GdLQGFes