„Some aspects concerning the analysis of the planar linkages using GeoGebra“. Analele Universităţii "Dunărea de Jos" din Galaţi. Fascicula XIV, Inginerie mecanică = Annals of “Dunarea de Jos“ University of Galati. Fascicle XIV, Mechanical Engineering 23, no. 1 (Juli 24, 2016): 5–8. Zugegriffen November 2, 2026. https://ojs.ugal.ro/index.php/im/article/view/1568.