Examining the Fidelity and Dose of a Mobile Health App for Micro-entrepreneurs' Recovery from Work-related Stress. - Markku Kekkonen; Harri Oinas-Kukkonen; Sanni Tiitinen; Aija Logren; Sakari Ilomäki; Eveliina Korkiakangas; Piiastiina Tikka; Jaana Laitinen; Johanna Ruusuvuori (TKTP, 2023)

Persuasive Systems Design and Self Determination Theory: Mapping System Features to Intervention Framework to Foster Motivation. - Piiastiina Tikka; Sanni Tiitinen; Sakari Ilomäki; Johanna Ruusuvuori; Harri Oinas-Kukkonen (BCSS, 2025)