Vavousis, Konstantinos, 		Papadopoulos, Marinos, 		Gerolimos, Michalis, AND 		Xenakis, Christos.
" Text and Data Mining for the National Library of Greece in consideration of Internet Security and GDPR" <em>Qualitative and Quantitative Methods in Libraries</em> [Online], Volume 9 Number 3 (5 October 2020)