Barth, Victor Scur, et al. “TAX ACCOUNTING: THE EFFECTS OF SOCIAL SECURITY CONTRIBUTIONS OF RATES ON INTERMUNICIPAL PASSENGER TRANSPORT IN RIO GRANDE DO SUL”. Contextus - Contemporary Journal of Economics and Management, vol. 14, no. 2, Oct. 2016, pp. 36-62, doi:10.19094/contextus.v14i2.774.