Marthalena, Y., and S. Aisyah. “The Relationship Between the Leadership of the Head of Room and Work Environment With Performance of Nurse in Pringsewu Region General Hospital”. ProBisnis : Jurnal Manajemen, vol. 15, no. 2, Apr. 2024, pp. 110-8, http://ejournal.joninstitute.org/index.php/ProBisnis/article/view/478.