(3ef hKGFb GdhMOI GdjefjIs - (3GHf MGQH, YHO GdQMef jhSas ((3GdTGQbI, GdEeGQGJ GdYQHjI GdeJMOI (B:s (3OGQ GdKbGaI GdYQHjI ddfTQ hGdJhRjY,s, 1990)
Keywords: (3Gdjefs -- (3JGQjNs -- (3GdhMOI, (B1990s; (3Gdjefs -- (3JGQjNs -- (3bQf (B20s