(3eLehYI GdeMQQGJ GdSjGSjI hGdeaGhVGJ GdOhdjI Yf ShQjG hdHfGf (B/ s - (3ajdjH GdNGRfs; (3aQjO GdNGRf (B((3eJQLe(B)s ([S.N] : (3OGQ GdQGFO GddHfGfi , s, 1983)
Keywords: (3JGQjNs; (3ShQjGs; (3dHfGfs; (3GdGeHQGWhQjI GdYKeGfjIs; (3GdGSJYeGQ ai GdHdGO GdYQHjIs; (3GdhKGFb GdOHdheGSjIs