FERRY AFRIZAL; WARSANI PURNAMA SARI; SHABRINA TRI ASTI NASUTION. Pengaruh Tarif Pajak, Pemahaman Pajak, dan Pengetahuan Pajak Terhadap Kepatuhan Wajib Pajak UMKM Medan Helvetia (Studi Kasus Pasar Sei Sikambing). Jurnal Dunia Pendidikan, [S. l.], v. 5, n. 5, p. 2126–2143, 2025. DOI: 10.55081/jurdip.v5i5.3925. Disponível em: https://stokbinaguna.ac.id/jurnal/index.php/JURDIP/article/view/3925. Acesso em: 15 oct. 2026.