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) 4, no. 5 (April 29, 2025): 3077–3085. Accessed April 27, 2026. https://ijset.org/index.php/ijset/article/view/1089.