(3eGPG MOK aj ecI GdecQeI? (B:s (3GdbUI GdcGedI ddaJfI GdNejfjI aj QMGH GdMQe (B: (3MbGFb hhKGFb(B-6 (3Ph GdMLI (B((3GdLeYI(B) 1407 (3g`(B. /s - (3GdSYhOjI(B.s (3hRGQI GdEYdGe(B.s ((3GdQjGV (B:s (3hRGQI GdEYdGe, GdTDhf GdEYdGejI,s, 1986)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdESdGes -- (3OaY eWGYfs; (3GdTjYI (B((3aQbI ESdGejI(B)s; (3ecI GdecQeIs -- (3JGQjNs