Analysis of Technical Competence, Work Ethics and Product Knowledge in improving the welfare of BJB Bandung bank employees: Analisis Kompetensi Teknis, Etika Kerja dan Product Knowledge dalam meningkatkan kesejahteraan karyawan bank BJB Bandung. (2026). Procedia of Social Sciences and Humanities, 9(1), 543-562. https://doi.org/10.21070/kj008r18