Alfian, R., A. D. Fitriani, and B. Satria. “The Effect of Evaluation by the Chairman on The Performance of Nurses in Investigations in Medan Haji General Hospital”. Journal La Medihealtico, Vol. 2, no. 2, Apr. 2021, pp. 131-42, doi:10.37899/journallamedihealtico.v2i2.336.