(3GdJMVQ ai GdhWf GdYQHi (B/ s - (3eMeO UHMi YHOGdMcjes; (3GSMb GdbWHs ([S.N] : (3GdefXeI GdGSdGejI ddJQHjI hGdYdhe hGdKbGaI , s, 1978)
Keywords: (3GdGMhGd GdGLJeGYjIs; (3GdhWf GdYQHis; (3GdJZjQ GdGLJeGYis; (3GdJWhQ GdGLJeGYis; (3GdJbOe GdGLJeGYis