Kurniasari, N. M. D., D. N. . Widyanthini, I. K. H. . Mulyawan, and I. M. A. Wirawan. “Travel Health Knowledge and Perception of Foreign Backpackers Traveling in Bali”. Jurnal Ilmu Kesehatan Masyarakat, vol. 12, no. 2, June 2021, pp. 128-42, doi:10.26553/jikm.2021.12.2.128-142.