Gruevski, I., and S. L. Gaber. “ACE Tax Vs ASE Tax: The Croatian and Nordic Experience for Higher Neutrality”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 24, no. 3, Oct. 2015, pp. 265-82, https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/4663.