Erazo, O., G. Guerrero Ulloa, R. Santana Sornoza, و B. Chávez Boza. “A Ubiquitous Photo Frame to Provide Reminders to Older Adults”. Revista Conrado, ج 16, ش 72, Jan. 2020, صص 34-38, https://conrado.ucf.edu.cu/index.php/conrado/article/view/1210.