(3GHhGdGYdi GdehOhOi hGdUMhg GdGSdGejI (B/ s - (3eMeO YeGQIs ([S.N] : (3OGQ GdTQhb , s, 1987)
Keywords: (3GdGSdGes; (3GdGSdGe hGdGUdGM GdGLJeGYis; (3GdGSdGe hGdhMOI GdYQHjIs