Fitrianingsih, E., S. Mujanah, and S. Bradford. “Influence of Organizational Culture, Work Ethics, and Competence on Employee Performance at LPP RRI Surabaya”. Sharia Oikonomia Law Journal, vol. 1, no. 3, Sept. 2023, pp. 208-20, doi:10.55849/solj.v1i3.510.