Ichsan, Reza, 		Nasution, Lukman, AND 		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 Number 1 (11 April 2022)