Junengsih, J., Elda Sagitarius, P. Partimah, and Annisa Frisca Fauziah. “Development of the Implementation of the Implementation of the Leadership Style Mechanism in Optimizing the Performance Motivation of Office Boy and Security Guards”. ProBisnis : Jurnal Manajemen, vol. 14, no. 5, Oct. 2023, pp. 25-30, doi:10.62398/probis.v14i5.275.