Ichsan, Reza, 		Nasution, Lukman, DAN 		Setiadi, Dedi.
" THE INFLUENCE OF WORK ETHICS AND WORK PROFESSIONALISM ON PERFORMANCE AT PT. BRI BRANCH SINGAMANGARAJA MEDAN" <em>JURNAL DARMA AGUNG</em> [Online], Volume 30 Nomor 1 (11 April 2022)