YASIR AHMAD; YASIR AHMAD; UMAR MUMTAZ; SAAD RIAZ. Investigating the Influence of Duolingo, Elsa Speak, and Hello English Mobile Applications on Students Attitudes and Speaking Skills. Review Journal of Social Psychology & Social Works, [S. l.], v. 3, n. 1, p. 640–669, 2025. DOI: 10.71145/rjsp.v3i1.131. Disponível em: http://socialworksreview.com/index.php/Journal/article/view/131. Acesso em: 7 apr. 2025.