(3Gdabg GdSjGSi ai GjQGf h GHYGOg (B/ s - (3YHO GdeDef (B: (3eMeO GdSYjOs ((3GdbGgQI (B: s (3gLQ ddWHGYI h GdfTQ h GdJhRjY h GdGYdGf (B: s, 1989)
(3jTJed Ydi GQLGYGJ HHdjhLQGajIs
Keywords: (3GdTQjYI GdGSdGejIs -- (3GjQGfs; (3GdTjYIs -- (3GjQGfs; (3GjQGfs -- (3GdGMhGd GdSjGSjIs; (3GjQGfs -- (3GdSjGSI h GdMcheIs