Subur Harahap (2025) “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(5), pp. 3077–3085. doi: 10.54443/ijset.v4i5.1089.