Use of cluster analysis to study the reality of E-learning due to the Corona-19 pandemic on Nineveh Technical Institute students. Entrepreneurship Journal for Finance and Business, [S. l.], v. 3, n. 4, p. 40–51, 2022. DOI: 10.56967/ejfb2022224. Disponível em: https://ejfb.journalpath.com/ejfb/article/view/283. Acesso em: 19 jul. 2026.