2Robert D. Atkinson, Expanding the R&E tax credit to drive inno- vation, competitiveness and pro~perity [ C ] . Information technol- ogy and innovation foundation, 2007, 617 -628.
3Deduction for Scientific or Technological Research and Develop- ment [EB/OL] . http: //www. dst. gov. za/r - d/Interpreta- tion%20Note%20No%2050, pdf, 2013 - 12 -4.