(3eYGjjQ GdbHV Hjf GdfXQjI hGdJWHjb (B/s - (3eMeO, eYGhjI YHO GdQMef MeO(B.s; (3RjO, eMeO EHQGgjes (1988)
(3CWQhMI (B((3eGLSJjQ(B)--(3LGeYI fGja GdYQHjI ddYdhe GdCefjI, cdjI GdOQGSGJ GdYdjG, bSe GdYdhe GdEOGQjI, (B.s
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3bGfhf GdELQGAGJ GdLfGFjIs -- (3CWQhMGJs; (3GdVHW GdbVGFjs -- (3CWQhMGJs; (3QSGdI LGeYjI (B((3eGLSJjQ(B)s