1. The economic marine tourism based on cleanliness health safety and environment (CHSE) protocol as covid-19 outbreak responses at Derawan Island, Indonesia. Issue 1 (January 2022) Authors: Utami, P B; Parluhutan, D; Taryono, K; Auliansyah, ; Simarangkir, O R; Ricky, ; Nani, Journal: IOP conference series Issue: Volume 967:Issue 1(2022) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗