NIKNAMIAN, Sorush. The Use of Customer value changing trends in business analysis. Quantitative Economics and Management Studies, [S. l.], v. 1, n. 2, p. 130–138, 2020. DOI: 10.35877/454RI.qems99. Disponível em: https://qemsjournal.org/index.php/qems/article/view/99. Acesso em: 15 jun. 2026.