Mochammad Aldi Kushendriawan, Harry Budi Santoso, Panca O. Hadi Putra, and Martin Schrepp. “Evaluating User Experience of a Mobile Health Application ‘Halodoc’ Using User Experience Questionnaire and Usability Testing”. Jurnal Sistem Informasi 17, no. 1 (April 29, 2021): 58-71. Accessed October 23, 2021. https://jsi.cs.ui.ac.id/index.php/jsi/article/view/1063.