INVESTIGATING E-LEARNING SYSTEM EFFECTIVENESS IN PAKISTAN: EVIDENCE FROM AN EXTENDED DELONE AND MCLEAN MODEL. Kashf Journal of Multidisciplinary Research, [S. l.], v. 2, n. 12, p. 186–197, 2025. DOI: 10.71146/kjmr773. Disponível em: https://www.kjmr.com.pk/kjmr/article/view/773. Acesso em: 11 may. 2026.