GENERAL SYSTEMS THEORY: MUTUAL CAUSALITY AND THE EFFECTIVENESS OF UNIVERSITY E-LEARNING IN LEBANON DURING A PANDEMIC. Arabian Journal of Business and Management Review (AJBMR), [S. l.], v. 9, n. 2, p. 46–55, 2020. DOI: 10.65453/ajbmr.v9i2.1064. Disponível em: https://j.arabianjbmr.com/index.php/ajbmr/article/view/1064. Acesso em: 28 jul. 2026.