USABILITY EVALUATION OF A WEB-BASED HEALTH AWARENESS PORTAL ON SMARTPHONE DEVICES USING ISO 9241- 11 MODEL. Jurnal Teknologi (Sciences & Engineering), [S. l.], v. 77, n. 4, 2015. DOI: 10.11113/jt.v77.6035. Disponível em: https://journals.utm.my/jurnalteknologi/article/view/6035.. Acesso em: 20 dec. 2024.