CONTRIBUTIONS TO THE IMPROVEMENT OF THE QUALITY OF THE NONCONVENTIONAL PROCESSES WITHIN THE NATIONAL INFORMATION SYSTEM OF SIGNALING IN THE CONTEXT OF ROMANIA’S ACCESSION TO THE SCHENGEN AREA. revtn [Internet]. 2023 Jun. 30 [cited 2026 Apr. 18];27(2). Available from: http://www.revtn.ro/index.php/revtn/article/view/413