Moura, Geovanne Dias de, et al. “Market Competitiveness and Intangibility Level: Analysis in Brazilian Publicly Traded Companies”. Future Studies Research Journal: Trends and Strategies, vol. 11, no. 1, Jan. 2019, pp. 65-83, doi:10.24023/FutureJournal/2175-5825/2019.v11i1.343.