ERAZO, Orlando; GUERRERO ULLOA, Gleiston; SANTANA SORNOZA, Rachell  and  CHAVEZ BOZA, Betty. A ubiquitous photo frame to provide reminders to older adults. Conrado [online]. 2020, vol.16, n.72, pp. 34-38.  Epub Feb 01, 2020. ISSN 1990-8644.