Veronica Y, Heidy, Sudiyono N. The Correlation of Caffeine Levels Consumption with Sleep Quality Levels of Active Students . j. urban health res. [Internet]. 2023 Oct. 31 [cited 2024 Jul. 3];2(1):1-8. Available from: https://ejournal.atmajaya.ac.id/index.php/juhr/article/view/4615