FEBRIANTO, Raymondlee; MARPAUNG, Nicholas. Analisis Strategi Pelayanan pada Masa Pandemi Covid-19 di Siantar Hotel. Regress: Journal of Economics & Management, [S. l.], v. 1, n. 3, p. 110–116, 2022. DOI: 10.57251/reg.v1i3.260. Disponível em: https://jurnal.medanresourcecenter.org/index.php/REG/article/view/260. Acesso em: 11 mar. 2026.