WETZELS, Mart. Klikker: A Method and Infrastructure for Mining, Analysis, and Visualisation of User Behaviour and Usability Issues for Mobile Application Development.. Global Journal of Computer Science and Technology, [S.l.], apr. 2018. ISSN 0975-4172. Available at: <https://computerresearch.org/index.php/computer/article/view/1682>. Date accessed: 23 jan. 2022.