NARYANING, Rohmahtun; KATMINI, Katmini. Determinants of Using Gadget to Concentration, Complaints of Eye Fatigue and Student Learning Motivation at SMKN 7 Malang. Journal for Quality in Public Health, [S. l.], v. 5, n. 1, p. 142–148, 2021. DOI: 10.30994/jqph.v5i1.230. Disponível em: https://jqph.org/index.php/JQPH/article/view/230. Acesso em: 20 sep. 2025.