sembiring AS. Pengembangan Bisnis Tour and Travel di Masa Pandemi COVID 19 ( Studi kasus : Pt. Milala Wisata). JURITI PRIMA [Internet]. 2021 Jul. 7 [cited 2026 Apr. 2];4(2). Available from: http://139.162.50.187/index.php/juriti/article/view/1732