Vergidis, Dimitris. ‘Educational Needs (educational Needs Assessment)’. ADULT EDUCATION Critical Issues 1, no. 1 (Δεκέμβριος 9, 2021): 78–80. ημερομηνία πρόσβασης Ιούνιος 29, 2022. https://ejournals.epublishing.ekt.gr/index.php/aeci/article/view/28854.