(3eTcdI GdHWGdI aj GdhWf GdYQHj (B:s (3OQGSI GSJWdGYjI (B/s - (3eYgO GdHMhK hGdOQGSGJ GdYQHjIs ((3GdbGgQI (B:s (3eYgO GdHMhK hGdOQGSGJ GdYQHjI,s, 1992)
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdeGdjI GdYGeI h GdJTQjY GdVQjHj s