Priyanto, R., R. F. Qinthara, and Y. A. Ghani. “ANALISIS DAMPAK PANDEMI COVID-19 TERHADAP PENJUALAN LAYANAN WISATA”. Service Management Triangle: Jurnal Manajemen Jasa, Vol. 3, no. 2, Nov. 2021, pp. 70-83, https://ejurnal.ars.ac.id/index.php/jsj/article/view/635.