http://repository.uhamka.ac.id/id/eprint/17075/ Analysis User Interface: Mobile Application to Blended Learning Model Sri Astuti, Astuti http://repository.uhamka.ac.id/id/eprint/17075/1/Analysis%20User%20Interface_%20Mobile%20Application%20to%20Blended%20Learning%20Model%20IEEE%20Xplore.pdf Unduh!