SIRINGO-RINGO, E. D. M. .; TAMPUBOLON, M. R. .; SIAGIAN, N. F. .; FELICIA, F. Pengawasan Biaya Operasional pada UD. Saroha Serbelawan. Owner : Riset dan Jurnal Akuntansi, [S. l.], v. 3, n. 2, 2019. DOI: 10.33395/owner.v3i2.197. Disponível em: https://owner.polgan.ac.id/index.php/owner/article/view/197. Acesso em: 7 dec. 2022.