KRUMOVA, Milena. Flipped homework: А new approach for effective knowledge acquisition and competency development. Smart Cities International Conference (SCIC) Proceedings, [S. l.], v. 12, p. 163–173, 2025. Disponível em: https://www.scrd.eu/index.php/scic/article/view/690. Acesso em: 12 sep. 2025.