(3GdWYf aj GdCMcGe GdEOGQjI; (B: s (3OQGSI ebGQfI (B/s - (3eMeO GdTGaYj CHh QGSs ((3GdbGgQI (B: s (3YGde GdcJH, s, 1981)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B. s
(3GdfU HGddZI GdYQHjIs
Keywords: (3WQb GdWYf aj GdCMcGe GdEOGQjIs; (3GdbGfhf GdEOGQj s