BHATNAGAR, Aditya. Assessment of 21^st Century Skills in STEM Programs. Journal of Engineering Education Transformations, [S. l.], p. 556–560, 2020. DOI: 10.16920/jeet/2020/v33i0/150116. Disponível em: https://journaleet.in/index.php/jeet/article/view/596. Acesso em: 5 dec. 2025.