(3GdGUhd (B: s (3OQGSI GHjSJjehdhLjI dGUhd GdacQ GddZhi YfO GdYQH (B: (3GdfMh (B: (3abI GddZI (B: (3GdHdGZI (B/ s - (3MSGf (B: (3JeGes ((3GdOGQ GdHjVGA (B: (3GdeZQH (B: s (3OGQ GdKbGaI (B: s, 1981)
(3jTJed Ydi GQLGYGJ HHdjhLQGajIs
Keywords: (3abg GddZI GdYQHjIs