(3GdMeGjI GdbGfhfjI ddTjc ai GdJTQjYGJ GdVQjHjI (B/ s - (3GOhGQO YjOs; (3eYgO GdHMhK hGdOQGSGJ GdYQHjIs ([S.N] : (3GdefXeI GdGSdGejI ddJQHjI hGdYdhe hGdKbGaI , s, 1975)
Keywords: (3GdbGfhfs; (3GdTjcGJs; (3GdahGJjQs; (3bGfhf GdGLQGAGJ GdLfGFjIs; (3GdGhQGb GdeGdjIs; (3GdbGfhf GdJLGQis