Salim, Yolanda, Surilena, Nelly Tina Widjaja, and Fransisca Tjhay. 2022. “The Relationship Between Anxiety and Sleep Quality Among Medical Students During Covid-19 Pandemic”. JKKI : Jurnal Kedokteran Dan Kesehatan Indonesia 13 (2):168-77. https://doi.org/10.20885/JKKI.Vol13.Iss2.art9.