Scherr, Simon André, Steffen Hupp, and Frank Elberzhager. “Establishing Continuous App Improvement by Considering Heterogenous Data Sources”. International Journal of Interactive Mobile Technologies (iJIM) 15, no. 10 (May 25, 2021): pp. 66–86. Accessed May 3, 2024. https://online-journals.org/index.php/i-jim/article/view/20613.