(3eLehYI JTQjYGJ MeGjI GdHjFI ef GdJdhK GdETYGYj hGdJdhK GdHMQj(B.s (3GdLRA GdKGfj (B/s - (3RZdhd, KQhJ SYOs; (3LGO, eMeO CMeO eMeOs ((3GdbGgQI (B:s (3GdgjFI GdYGeI dTDhf GdeWGHY GdCejQjI,s, 1991)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3MeGjI GdHjFIs -- (3bhGfjf hJTQjYGJs -- (3eUQs; (3GdJdhK GdETYGYjs -- (3LhGfH HjFjIs -- (3eUQs