COMPARATIVE ANALYSIS OF STUDENT ENGAGEMENT AND COMPREHENSION IN ONLINE LEARNING PLATFORMS: A MEASUREMENT AND EVALUATION APPROACH. FedPoly-Ugep Journal of Innovation and Research, [S. l.], v. 1, n. 2, p. 1–9, 2025. Disponível em: https://fpujournal.com/journal/article/view/65.. Acesso em: 7 jun. 2025.