Silaban, G., Zulfendri, Mardiana Lubis, A., & Nasution, P. (2021). THE EFFECT OF WORKING ENVIRONMENT ON SPECIALIST PHYSICIANS’ PERFORMANCE AT MEDAN TEACHING HOSPITAL. Malaysian Journal of Public Health Medicine, 21(1), 9-20. https://doi.org/10.37268/mjphm/vol.21/no.1/art.309