Damanik, Darwin, and Elidawaty Purba. “Analisis Daya Saing Sektor Pariwisata Di Kabupaten Simalungun”. Jurnal Ekuilnomi 2, no. 2 (November 30, 2020): 116 – 125. Accessed November 22, 2024. https://jurnal.usi.ac.id/index.php/ekuilnomi/article/view/497.