Electronic Tax Filing System Usage: The Role of Perceived Ease, Usefulness, Trust With Attitude As a Mediator. Jurnal Proaksi [Internet]. 31 Desember 2023 [dikutip 20 November 2025];10(4):555-69. Tersedia pada: https://e-journal.umc.ac.id/index.php/JPK/article/view/4955