Khansa Sulthanah Rumi, Agustin Rusiana Sari. Evaluating User Experience of the Workout Tracker Feature in the FIT HUB Mobile Fitness Application Using the User Experience Questionnaire and Usability Testing. JITEK [Internet]. 2026 Mar. 17 [cited 2026 Mar. 18];6(1):228-41. Available from: https://researchhub.id/index.php/jitek/article/view/10889