“Some Aspects Concerning the Analysis of the Planar Linkages Using GeoGebra”. 2016. Analele Universităţii "Dunărea de Jos" Din Galaţi. Fascicula XIV, Inginerie Mecanică = Annals of “Dunarea de Jos“ University of Galati. Fascicle XIV, Mechanical Engineering 23 (1): 5-8. https://ojs.ugal.ro/index.php/im/article/view/1568.