(3adSWjf GdYQHjI (B/ s - (3aDGO MSfjf Ydis ((3GdbGgQI (B: s (3eYgO GdHMhK hGdOQGSGJ GdYQHjI(B,s, 1973)
(3jTJed Ydj GQLGYGJ HHdjhLQGajI(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdefGWb ZjQ GdeSJbdIs -- (3adSWjfs; (3GdbGfhf GdOhdj GdYGes