PANGETSU, H. USABILITY TESTING OF VIRTUAL KEYBOARD IN TOUCH SCREEN WITH QUESTIONNAIRE METHOD. CommIT (Communication and Information Technology) Journal, [S. l.], v. 8, n. 1, p. 17-21, 2014. DOI: 10.21512/commit.v8i1.591. Disponível em: https://journal.binus.ac.id/index.php/commit/article/view/591. Acesso em: 14 mar. 2025.