NUGROHO, K.; KURNIANINGTYAS, M. The Effect of Fidgeting On Student Concentration Levels. International Journal of Industrial Engineering and Engineering Management, [S. l.], v. 1, n. 2, p. 17–24, 2019. DOI: 10.24002/ijieem.v1i2.3062. Disponível em: https://ojs.uajy.ac.id/index.php/IJIEEM/article/view/3062. Acesso em: 1 sep. 2024.