DOL, Sunita M. GPBL:An Effective Way to Improve Critical Thinking and Problem Solving Skills in Engineering Education. Journal of Engineering Education Transformations, [S. l.], p. 103–113, 2017. DOI: 10.16920/jeet/2017/v30i3/110523. Disponível em: https://journaleet.in/index.php/jeet/article/view/1485. Acesso em: 5 dec. 2025.