Sihotang, F. F., Darmana, A., & Nugraha, T. (2020). Analysis of Competency Factors Affecting the Performance of Laboratory Staff About Plebhotomy at UPT. Medan Regional Health Laboratory Center in 2019. Journal La Medihealtico, 1(4), 1-7. https://doi.org/10.37899/journallamedihealtico.v1i4.132