ABBASI, Tania Rehman. The Efficacy of Educational Delivery Channels: Assessing the Impact of Formal versus Online Instruction on Academic Achievement and Stakeholder Satisfaction in Islamabad’s Tertiary Sector. Journal of Business Insight and Innovation, [S. l.], v. 5, n. 1, p. 78–90, 2026. Disponível em: https://insightfuljournals.com/index.php/JBII/article/view/74. Acesso em: 24 apr. 2026.