Nainggolan, Benny, and Sakaria Pinem. “Analisis Pengaruh Sosialisasi Pajak, Sanksi Pajak Dan Kepatuhan Wajib Pajak Terhadap Penerimaan Pajak Pada Kantor Pelayanan Pajak Madya Medan”. COSTING : Journal of Economic, Business and Accounting 2, no. 2 (April 20, 2019): 256-262. Accessed July 13, 2020. https://journal.ipm2kpe.or.id/index.php/COSTING/article/view/565.