Action Research for the Computer Graphics Studio Course Based on Activity Theory and Semiotic Theory. International Journal Of Technical Vocational And Engineering Technology, [S. l.], v. 1, n. 1, p. 46–53, 2020. Disponível em: https://journal.pktm.com.my/index.php/ijtvet/article/view/10. Acesso em: 3 apr. 2025.