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. IJSET [Internet]. 2025 Apr. 29 [cited 2025 Sep. 11];4(5):3077-85. Available from: https://ijset.org/index.php/ijset/article/view/1089