Gottschalk, Sebastian, Florian Rittmeier, and Gregor Engels. “Intertwined Development of Business Model and Product Functions for Mobile Applications: A Twin Peak Feature Modeling Approach.” In
Software Business, edited by Sami Hyrynsalmi, Mari Suoranta, Anh Nguyen-Duc, Pasi Tyrväinen, and Pekka Abrahamsson, 370:192–207. Lecture Notes in Business Information Processing. Cham: Springer International Publishing, 2019.
https://doi.org/10.1007/978-3-030-33742-1_16.