SUBUR HARAHAP. THE EFFECT OF INDONESIAN TAXPAYERS’ TAX LITERACY LEVEL MODERATED BY VOLUNTARY COMPLIANCE, TAX SYSTEM EFFECTIVENESS, AND BROADENING THE TAX BASE ON INCREASING THE TAX RATIO IN INDONESIA:CASE STUDY ON INDIVIDUAL TAXPAYERS (WPOP) IN DKI JAKARTA PROVINCE. International Journal of Social Science, Educational, Economics, Agriculture Research and Technology (IJSET), [S. l.], v. 4, n. 5, p. 3077–3085, 2025. DOI: 10.54443/ijset.v4i5.1089. Disponível em: https://ijset.org/index.php/ijset/article/view/1089. Acesso em: 11 sep. 2025.