EVALUATE THE EFFECT MANAGEMENT COMPETENCY ON CUSTOMER PERFORMANCE (CASE STUDY: AGRICULTURAL BANK MANAGERS IN ARDABIL PROVINCE). Arabian Journal of Business and Management Review (AJBMR), [S. l.], v. 5, n. 1, p. 88–94, 2015. DOI: 10.65453/ajbmr.v5i1.864. Disponível em: https://j.arabianjbmr.com/index.php/ajbmr/article/view/864. Acesso em: 11 jun. 2026.