SHINGE, Jayanti; KOTABAGI, Sanjay. Advancing the English-speaking proficiency of engineering students from CEFR level B2 to C2 using Problem Based Learning (PBL) Approach. Journal of Engineering Education Transformations, [S. l.], v. 38, p. 105–112, 2025. Disponível em: https://journaleet.in/index.php/jeet/article/view/2257. Acesso em: 16 dec. 2025.