Hartadinata, O. S. “Legal Certainty and Ease of Administration to Increase Tax Compliance: Discourse on Indonesia’s Tax Amnesty Program in Regional Office Area, Directorate General of Taxes East Java 1, Period 2016”. KnE Social Sciences, Vol. 3, no. 11, Aug. 2018, pp. 694–701, doi:10.18502/kss.v3i11.2799.