Sihombing, Sarah, Yohny Anwar, and Wilchan Robain. “The Influence Of Communication Ethics, Information Systems, And Work Environment On Employee Performance At Bank Central Asia KCP HM Yamin Medan”. Jurnal Fokus Manajemen 6, no. 1 (February 9, 2026): 53-66. Accessed May 31, 2026. https://jurnal.unived.ac.id/index.php/fokusman/article/view/10293.