Luana Müller, Lucio Polese Cossio, Milene Selbach Silveira. Won't It Please, Please Help Me? The (Un)availability and (Lack of) Necessity of Help Systems in Mobile Applications. In Constantine Stephanidis, editor, HCI International 2014 - Posters' Extended Abstracts - International Conference, HCI International 2014, Heraklion, Crete, Greece, June 22-27, 2014. Proceedings, Part II. Volume 435 of Communications in Computer and Information Science, pages 632-637, Springer, 2014. [doi]