Persuasive Technology: Development of Persuasive and Behavior Change Support Systems 14th International Conference, PERSUASIVE 2019, Limassol, Cyprus, April 9-11, 2019, Proceedings - Oinas-Kukkonen, Harri; Oinas-Kukkonen, Harri; Win, Khin Than; Win, Khin Than; Karapanos, Evangelos; Karapanos, Evangelos; Karppinen, Pasi; Karppinen, Pasi; Kyza, Eleni; Kyza, Eleni (Springer International Publishing : Imprint: Springer, 2019)