(3GdCMcGe GdfXGejI dGLQGA GdJaJjT (B:s ((3OQGSI ebGQfI(B) /s - (3GdMGjWj, eMeO eQLjs; (3aQMGJ, eMeO fYjes (1989)
(3CWQhMI (B((3eGLSJjQ(B)--(3LGeYI fGja GdYQHjI ddYdhe GdCefjI, cdjI GdOQGSGJ GdYdjG, bSe GdYdhe GdEOGQjI, (B.s
(3HHdjhLQGajI (B: (3U(B. 101-103.s
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdJaJjT GdLfGFjs -- (3CWQhMGJs; (3bGfhf GdELQGAGJ GdLfGFjIs -- (3CWQhMGJs; (3QSGdI LGeYjI (B((3eGLSJjQ(B)s