(3OQGSGJ ai GdJGQjN GdGLJeGYi hGdGbJUGOi ai GdYUhQ GdhSWi (B/ s - (3aQL (B: (3hSGe YHO GdYRjRs ((3GdbGgQI (B: s (3OGQ GdeYQaI GdLGeYjI (B: s, 1985)
(3jTJed Ydi GQLGYGJ HHdjhLQGajIs
Keywords: (3GdJGQjN GdGSdGeis; (3GdMVGQI GdGSdGejIs; (3GdMVGQI GdGhQHjIs; (3GdYUhQ GdhSWis -- (3JGQjNs; (3GdGeHQGWhQjI GdHjRfWjIs -- (3JGQjNs