Sandan, Ferrari Arya Denaya, Pradana Ananda Raharja, and Muhammad Azrino Gustalika. “Usability Evaluation and Improvement of IGracias Mobile Application Design Using Usability Testing Method With User-Centred Design Approach”. Jurnal E-Komtek (Elektro-Komputer-Teknik) 7, no. 2 (December 13, 2023): 321-328. Accessed September 8, 2024. https://jurnal.politeknik-kebumen.ac.id/E-KOMTEK/article/view/1014.