(3OhQ GdYdGbGJ GdYGeI hGdGfSGfjI aj GdJLeYGJ GdYScQjI GdTQWjI (B/s - (3MeOj eMeO TYHGfs; (3Ydj GdSjO GHQGgje YLhgs; (3CcGOjejI GdTQWIs (3cdjI GdMbhbs ((3GdbGgQI (B:s (3cdjI GdOQGSGJ GdYdjG (B- (3CcGOjejI GdTQWI,s, 1991)
(3QSGFd fSNI efaQOIs
(3jTJed Ydi edGMb(B: (3UaMI (B381-454s
(3CWQhMI (B((3OcJhQGI(B) - (3CcGOjejI GdTQWI, cdjI GdOQGSGJ GdYdjG, bSe GdbGfhf GdLfGFj (B1991s
(3HHdjhLQGajG(B: (3UaMGJ (B371-378s
Keywords: (3GdbGfhf GdLfGFjs; (3GdJLeYGJ GdYScQjI s; (3GdYdGbGJ GdYGeI aj GdTQWI s; (3GdYdGbGJ GdEfSGfjI aj GdTQWI s; (3GdYdGbGJ GdYGeI eY GdLeghQ s; (3GNJjGQ GdeLfOjf s; (3QSGFd LGeYjIs -- (3CcGOjejI GdTQWIs -- (3GdbGfhf GdLfGFjs