1. A NONSMOOTH SUBLINEAR ELLIPTIC PROBLEM IN RN WITH PERTURBATIONS. Authors: ANDREA-ÉVA MOLNÁR.2. AN EXISTENCE RESULT FOR NONLINEAR HEMIVARIATIONAL-LIKE INEQUALITY SYSTEMS. Authors: ANDREA-ÉVA MOLNÁR.3. REVIEW OF DIGITAL BADGES IN COMPUTER SCIENCE LITERATURE AND APPLICATIONS. Authors: ANDREA-ÉVA MOLNÁR, BEÁTA LŐRINCZ, IMRE ZSIGMOND.