(3THGHfG Hjf GdYde GdfGbU hGdYde GdLGeO (B/s - (3YeGQI, eMehO eMeO eMeOs ((3HjQhJ ;s (3OeTb (B:s (3OGQ GdNjQ,s, 1992)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdESdGe hGdTHGHs; (3GdJQHjI GdESdGejIs; (3GdhYX hGdEQTGOs