(3GdbSe GdNGU ai bGfhf GdYbhHGJ LQGFe GdCehGd (B:s ((3GdSQbI hGdfUH hNjGfI GdCeGfI(B) /s - (3YHO GdYXje eQSj hRjQs ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI ,s, 1983)
(3jTJed Ydj HHdHhLQGajI(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdLQGFe GdeGSI HGdCehGds; (3GdbGfhf GdLfGFjs