(3GdehXa GdYGe (B: s (3abgG hbVGAG(B. s (3GdLRA GdChd, s c - (3eMeO MGeO GdLeds ((3GdbGgQI (B: s (3OGQ GdfgVI GdYQHjI, s, 1969)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B. s
(3GdfU CZdHg HGddZI GdYQHjI eY HYV GdfUhU GdaQfSjIs
Keywords: (3GdehXahf (B-- (3GdbWGY GdYGes; (3GdbGfhf GdEOGQj s