Tampubolon, Eunike Aprilda, and Djuli Sjafei Purba. “Sistem Pengendalian Intern Pada Tulip Cafe Pematangsiantar”. Jurnal Ilmiah Accusi 4, no. 2 (November 30, 2022): 110 – 117. Accessed November 23, 2024. https://jurnal.usi.ac.id/index.php/jia/article/view/364.