Sidharta, Iwan. “Pengujian Model ‘Sliperry Slope’ Dalam Kepatuhan Wajib Pajak”. Jurnal Ekonomi, Bisnis & Entrepreneurship 11, no. 2 (October 15, 2017): 149–158. Accessed October 7, 2026. https://jebe.stiepas.org/index.php/jebe/article/view/117.