(3UfGYI GdbgQ (B:s (3OQGSI aj GdJYdje hGdVHW GdGLJeGYj (B/s - (3YHO GdMejO, WdYJs ((3GdbGgQI (B:s (3SjfG ddfTQ,s, 1990)
(3GdCUd CWQhMI (B((3OcJhQGI(B)(3, LGeYI Yjf TeS(B.s
(3HHdjhLQGajI (B: (3UaMI (B147.s
Keywords: (3GdJYdjes; (3GdVHW GdGLJeGYjs