Saputra, Dwi Arwandi Yogi, Hermawan Saputra, and Sutoto Sutoto. 2022. “Risk of Back Pain in Faculty of Medicine UPN Veteran Jakarta Students During Online Lectures in the 2020 COVID-19 Pandemic Era”. Jurnal Profesi Medika : Jurnal Kedokteran Dan Kesehatan 16 (2). https://doi.org/10.33533/jpm.v16i2.4815.