Lubis, L., Kusumawiyanti, T., Nasution, G.T.D. and Dwirahmadi, F. 2022. Sleep Quality Profile of Mining Workers Based on Pittsburgh Sleep Quality Index (PSQI) . Media Kesehatan Masyarakat Indonesia. 18, 4 (Dec. 2022), 140-146. DOI:https://doi.org/10.30597/mkmi.v18i4.20154.