Vulea (Motofelea), Luciana Mihaela. „Nivelul De Fericire relaționat La inovația Digitală”. Symbolon 24, no. 2(45) (december 18, 2023): 79–86. Elérés július 22, 2024. http://uartpress.ro/journals/index.php/symbolon/article/view/441.