IKOTUN , S. I.; KOLAWOLE, E. O. PRODUCT AND SERVICE DEVELOPMENT IN THE CUSTOMERS’ QUALITY: EVIDENCE FROM SELECTED NIGERIAN COMMERCIAL BANKS. JOURNAL OF ECONOMICS AND ALLIED RESEARCH, [S. l.], v. 5, n. 1, p. 123–138, 2020. Disponível em: http://jearecons.com/index.php/jearecons/article/view/75. Acesso em: 10 mar. 2025.