Pangetsu, Harijanto, System Information Department, Faculty of Technology Information, Bina Nusantara University Jl KH Syahdan 9, Jakarta 11480, Indonesia, Indonesia
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CommIT (Communication and Information Technology) Journal Vol. 8 No. 1 (2014): CommIT Journal - Articles
USABILITY TESTING OF VIRTUAL KEYBOARD IN TOUCH SCREEN WITH QUESTIONNAIRE METHOD
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